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GATT_Specification_Supplement_v1.0.pdf
1 Introduction
1.1 Language
1.1.1 Language conventions
1.1.2 Reserved for Future Use
1.1.3 Prohibited
2 Values and represented values
2.1 Scalar values
2.1.1 Example decimal exponent
2.1.2 Example binary exponent
2.1.3 Example multiplier
2.2 Octet ordering
2.3 CRC calculation
3 Characteristics
3.1 Aerobic Heart Rate Lower Limit
3.1.1 Description
3.1.2 Definition
3.2 Aerobic Heart Rate Upper Limit
3.2.1 Description
3.2.2 Definition
3.3 Aerobic Threshold
3.3.1 Description
3.3.2 Definition
3.4 Age
3.4.1 Description
3.4.2 Definition
3.5 Alert Category ID
3.5.1 Description
3.5.2 Definition
3.5.2.1 Category ID field
3.6 Alert Category ID Bit Mask
3.6.1 Description
3.6.2 Definition
3.6.2.1 Category ID Bit Mask
3.7 Alert Level
3.7.1 Description
3.7.2 Definition
3.7.2.1 Alert Level field
3.8 Alert Notification Control Point
3.8.1 Description
3.8.2 Definition
3.8.2.1 Command ID field
3.8.2.2 Category ID field
3.9 Alert Status
3.9.1 Description
3.9.2 Definition
3.9.2.1 Alert Status field
3.10 Anaerobic Heart Rate Lower Limit
3.10.1 Description
3.10.2 Definition
3.11 Anaerobic Heart Rate Upper Limit
3.11.1 Description
3.11.2 Definition
3.12 Anaerobic Threshold
3.12.1 Description
3.12.2 Definition
3.13 Apparent Wind Direction
3.13.1 Description
3.13.2 Definition
3.14 Apparent Wind Speed
3.14.1 Description
3.14.2 Definition
3.15 Appearance
3.15.1 Description
3.15.2 Definition
3.15.2.1 Category and Sub-category fields
3.16 Average Current
3.16.1 Description
3.16.2 Definition
3.17 Average Voltage
3.17.1 Description
3.17.2 Definition
3.18 Battery Level
3.18.1 Description
3.18.2 Definition
3.19 Barometric Pressure Trend
3.19.1 Description
3.19.2 Definition
3.19.2.1 Barometric Pressure Trend field
3.20 Blood Pressure Feature
3.20.1 Description
3.20.2 Definition
3.20.2.1 Blood Pressure Feature field
3.21 Blood Pressure Measurement
3.21.1 Description
3.21.2 Definition
3.21.2.1 Flags field
3.21.2.2 User ID field
3.21.2.3 Measurement Status field
3.22 Body Composition Feature
3.22.1 Description
3.22.2 Definition
3.22.2.1 Body Composition Feature field
3.23 Body Composition Measurement
3.23.1 Description
3.23.2 Definition
3.23.2.1 Flags field
3.23.2.2 User ID field
3.23.2.3 Muscle Mass field
3.23.2.4 Fat Free Mass field
3.23.2.5 Soft Lean Mass field
3.23.2.6 Body Water Mass field
3.23.2.7 Weight field
3.23.2.8 Height field
3.24 Body Sensor Location
3.24.1 Description
3.24.2 Definition
3.24.2.1 Body Sensor Location field
3.25 Boolean
3.25.1 Description
3.25.2 Definition
3.25.2.1 Boolean field
3.26 CGM Feature
3.26.1 Description
3.26.2 Definition
3.26.2.1 CGM Feature field
3.26.2.2 CGM Type-Sample Location field
3.26.2.3 E2E-CRC field
3.27 CGM Measurement
3.27.1 Description
3.27.2 Definition
3.27.2.1 Size field
3.27.2.2 Flags field
3.27.2.3 CGM Glucose Concentration
3.27.2.4 Time Offset
3.27.2.5 Sensor Status Annunciation field
3.27.2.6 CGM Trend Information field
3.27.2.7 CGM Quality field
3.27.2.8 E2E-CRC field
3.28 CGM Session Run Time
3.28.1 Description
3.28.2 Definition
3.28.2.1 CGM Session Run Time field
3.28.2.2 E2E-CRC field
3.29 CGM Session Start Time
3.29.1 Description
3.29.2 Definition
3.29.2.1 E2E-CRC field
3.30 CGM Specific Ops Control Point
3.30.1 Description
3.30.2 Definition
3.30.2.1 Op Code and Operand field
3.30.2.2 Response Code Values
3.30.2.3 Calibration Value
3.30.2.4 E2E-CRC field
3.31 CGM Status
3.31.1 Description
3.31.2 Definition
3.32 Chromatic Distance From Planckian
3.32.1 Description
3.32.2 Definition
3.33 Chromaticity Coordinate
3.33.1 Description
3.33.2 Definition
3.34 Chromaticity Coordinates
3.34.1 Description
3.34.2 Definition
3.35 Chromaticity In CCT And Duv Values
3.35.1 Description
3.35.2 Definition
3.36 Chromaticity Tolerance
3.36.1 Description
3.36.2 Definition
3.37 CIE 13.3-1995 Color Rendering Index
3.37.1 Description
3.37.2 Definition
3.38 Coefficient
3.38.1 Description
3.38.2 Definition
3.39 Correlated Color Temperature
3.39.1 Description
3.39.2 Definition
3.40 Count 16
3.40.1 Description
3.40.2 Definition
3.41 Count 24
3.41.1 Description
3.41.2 Definition
3.42 Country Code
3.42.1 Description
3.42.2 Definition
3.43 CSC Feature
3.43.1 Description
3.43.2 Definition
3.43.2.1 CSC Feature field
3.44 CSC Measurement
3.44.1 Description
3.44.2 Definition
3.44.2.1 Flags field
3.45 Current Time
3.45.1 Description
3.45.2 Definition
3.45.2.1 Adjust Reason field
3.46 Cycling Power Control Point
3.46.1 Description
3.46.2 Definition
3.46.2.1 Op Code and Parameter field
3.46.2.2 Response Code Values
3.47 Cycling Power Feature
3.47.1 Description
3.47.2 Definition
3.47.2.1 Cycling Power Feature field
3.48 Cycling Power Measurement
3.48.1 Description
3.48.2 Definition
3.48.2.1 Flags field
3.48.2.2 Extreme Angles field
3.48.2.3 Top and Bottom Dead Angles fields
3.49 Cycling Power Vector
3.49.1 Description
3.49.2 Definition
3.49.2.1 Flags field
3.49.2.2 Instantaneous Force Magnitude Array and Instantaneous Torque Magnitude Array field
3.49.2.3 First Crank Measurement Angle field
3.50 Database Change Increment
3.50.1 Description
3.50.2 Definition
3.51 Date Of Birth
3.51.1 Description
3.51.2 Definition
3.51.2.1 Month field
3.52 Date Of Threshold Assessment
3.52.1 Description
3.52.2 Definition
3.52.2.1 Month field
3.53 Date Time
3.53.1 Description
3.53.2 Definition
3.54 Day Date Time
3.54.1 Description
3.54.2 Definition
3.55 Day of Week
3.55.1 Description
3.55.2 Definition
3.55.2.1 Day of Week field
3.56 Date UTC
3.56.1 Description
3.56.2 Definition
3.57 Dew Point
3.57.1 Description
3.57.2 Definition
3.58 DST Offset
3.58.1 Description
3.58.2 Definition
3.58.2.1 DST Offset field
3.59 Electric Current
3.59.1 Description
3.59.2 Definition
3.60 Electric Current Range
3.60.1 Description
3.60.2 Definition
3.61 Electric Current Specification
3.61.1 Description
3.61.2 Definition
3.62 Electric Current Statistics
3.62.1 Description
3.62.2 Definition
3.63 Elevation
3.63.1 Description
3.63.2 Definition
3.64 Email Address
3.64.1 Description
3.64.2 Definition
3.65 Energy
3.65.1 Description
3.65.2 Definition
3.66 Energy In A Period Of Day
3.66.1 Description
3.66.2 Definition
3.67 Event Statistics
3.67.1 Description
3.67.2 Definition
3.68 Exact Time 256
3.68.1 Description
3.68.2 Definition
3.69 Fat Burn Heart Rate Lower Limit
3.69.1 Description
3.69.2 Definition
3.70 Fat Burn Heart Rate Upper Limit
3.70.1 Description
3.70.2 Definition
3.71 Firmware Revision String
3.71.1 Description
3.71.2 Definition
3.72 First Name
3.72.1 Description
3.72.2 Definition
3.73 Five Zone Heart Rate Limits
3.73.1 Description
3.73.2 Definition
3.74 Fixed String 16
3.74.1 Description
3.74.2 Definition
3.75 Fixed String 24
3.75.1 Description
3.75.2 Definition
3.76 Fixed String 36
3.76.1 Description
3.76.2 Definition
3.77 Fixed String 8
3.77.1 Description
3.77.2 Definition
3.78 Gender
3.78.1 Description
3.78.2 Definition
3.78.2.1 Gender field
3.79 Generic Level
3.79.1 Description
3.79.2 Definition
3.80 Global Trade Item Number
3.80.1 Description
3.80.2 Definition
3.81 Glucose Feature
3.81.1 Description
3.81.2 Definition
3.81.2.1 Glucose Feature field
3.82 Glucose Measurement
3.82.1 Description
3.82.2 Definition
3.82.2.1 Flags field
3.82.2.2 Time Offset field
3.82.2.3 Type-Sample Location field
3.82.2.4 Sensor Status Annunciation field
3.83 Glucose Measurement Context
3.83.1 Description
3.83.2 Definition
3.83.2.1 Flags field
3.83.2.2 Extended Flags field
3.83.2.3 Carbohydrate ID field
3.83.2.4 Meal field
3.83.2.5 Tester-Health field
3.83.2.6 Exercise Duration field
3.83.2.7 Medication ID field
3.84 Gust Factor
3.84.1 Description
3.84.2 Definition
3.85 Hardware Revision String
3.85.1 Description
3.85.2 Definition
3.86 Heart Rate Control Point
3.86.1 Description
3.86.2 Definition
3.86.2.1 Heart Rate Control Point field
3.87 Heart Rate Max
3.87.1 Description
3.87.2 Definition
3.88 Heart Rate Measurement
3.88.1 Description
3.88.2 Definition
3.88.2.1 Flags field
3.88.2.2 RR-Interval
3.89 Heat Index
3.89.1 Description
3.89.2 Definition
3.90 Height
3.90.1 Description
3.90.2 Definition
3.91 Hip Circumference
3.91.1 Description
3.91.2 Definition
3.92 Humidity
3.92.1 Description
3.92.2 Definition
3.93 IEEE 11073-20601 Regulatory Certification Data List
3.93.1 Description
3.93.2 Definition
3.94 Illuminance
3.94.1 Description
3.94.2 Definition
3.95 Intermediate Cuff Pressure
3.95.1 Description
3.95.2 Definition
3.95.2.1 Flags field
3.95.2.2 User ID field
3.95.2.3 Measurement Status field
3.96 Intermediate Temperature
3.96.1 Description
3.96.2 Definition
3.96.2.1 Flags field
3.97 Irradiance
3.97.1 Description
3.97.2 Definition
3.98 Language
3.98.1 Description
3.98.2 Definition
3.99 Last Name
3.99.1 Description
3.99.2 Definition
3.100 LN Control Point
3.100.1 Description
3.100.2 Definition
3.100.2.1 Op Code and Parameter field
3.100.2.2 Response Code Values
3.101 LN Feature
3.101.1 Description
3.101.2 Definition
3.101.2.1 LN Feature field
3.102 Local Time Information
3.102.1 Description
3.102.2 Definition
3.103 Location And Speed
3.103.1 Description
3.103.2 Definition
3.103.2.1 Flags field
3.104 Luminous Efficacy
3.104.1 Description
3.104.2 Definition
3.105 Luminous Energy
3.105.1 Description
3.105.2 Definition
3.106 Luminous Exposure
3.106.1 Description
3.106.2 Definition
3.107 Luminous Flux
3.107.1 Description
3.107.2 Definition
3.108 Luminous Flux Range
3.108.1 Description
3.108.2 Definition
3.109 Luminous Intensity
3.109.1 Description
3.109.2 Definition
3.110 Magnetic Declination
3.110.1 Description
3.110.2 Definition
3.111 Magnetic Flux Density - 2D
3.111.1 Description
3.111.2 Definition
3.112 Magnetic Flux Density - 3D
3.112.1 Description
3.112.2 Definition
3.113 Manufacturer Name String
3.113.1 Description
3.113.2 Definition
3.114 Mass Flow
3.114.1 Description
3.114.2 Definition
3.115 Maximum Recommended Heart Rate
3.115.1 Description
3.115.2 Definition
3.116 Measurement Interval
3.116.1 Description
3.116.2 Definition
3.116.2.1 Measurement Interval field
3.117 Model Number String
3.117.1 Description
3.117.2 Definition
3.118 Navigation
3.118.1 Description
3.118.2 Definition
3.118.2.1 Flags field
3.119 New Alert
3.119.1 Description
3.119.2 Definition
3.119.2.1 Number of New Alert field
3.119.2.2 Test String Information field
3.120 Object First Created
3.120.1 Description
3.120.2 Definition
3.121 Object ID
3.121.1 Description
3.121.2 Definition
3.121.2.1 Object ID field
3.122 Object Last Modified
3.122.1 Description
3.122.2 Definition
3.123 Object Name
3.123.1 Description
3.123.2 Definition
3.124 Object Type
3.124.1 Description
3.124.2 Definition
3.125 Perceived Lightness
3.125.1 Description
3.125.2 Definition
3.126 Percentage 8
3.126.1 Description
3.126.2 Definition
3.127 PnP ID
3.127.1 Description
3.127.2 Definition
3.127.2.1 Vendor ID Source field
3.128 Pollen Concentration
3.128.1 Description
3.128.2 Definition
3.129 Position Quality
3.129.1 Description
3.129.2 Definition
3.129.2.1 Flags field
3.130 Power
3.130.1 Description
3.130.2 Definition
3.131 Power Specification
3.131.1 Description
3.131.2 Definition
3.132 Pressure
3.132.1 Description
3.132.2 Definition
3.133 Rainfall
3.133.1 Description
3.133.2 Definition
3.134 Record Access Control Point
3.134.1 Description
3.134.2 Definition
3.134.2.1 Op Code, Operator, and Operand/Filter fields
3.135 Reference Time Information
3.135.1 Description
3.135.2 Definition
3.135.2.1 Days Since Update and Hours Since Update fields
3.136 Relative Runtime In A Current Range
3.136.1 Description
3.136.2 Definition
3.137 Relative Runtime In A Generic Level Range
3.137.1 Description
3.137.2 Definition
3.138 Relative Value In A Voltage Range
3.138.1 Description
3.138.2 Definition
3.139 Relative Value In An Illuminance Range
3.139.1 Description
3.139.2 Definition
3.140 Relative Value In A Period Of Day
3.140.1 Description
3.140.2 Definition
3.141 Relative Value In A Temperature Range
3.141.1 Description
3.141.2 Definition
3.142 Resting Heart Rate
3.142.1 Description
3.142.2 Definition
3.143 Ringer Control Point
3.143.1 Description
3.143.2 Definition
3.143.2.1 Ringer Control Point field
3.144 Ringer Setting
3.144.1 Description
3.144.2 Definition
3.144.2.1 Ringer Setting field
3.145 RSC Feature
3.145.1 Description
3.145.2 Definition
3.145.2.1 RSC Feature field
3.146 RSC Measurement
3.146.1 Description
3.146.2 Definition
3.146.2.1 Flags field
3.147 SC Control Point
3.147.1 Description
3.147.2 Definition
3.147.2.1 Op Code and Parameter field
3.147.2.2 Response Code Values
3.148 Sensor Location
3.148.1 Description
3.148.2 Definition
3.148.2.1 Sensor Location field
3.149 Serial Number String
3.149.1 Description
3.149.2 Definition
3.150 Software Revision String
3.150.1 Description
3.150.2 Definition
3.151 Sport Type For Aerobic And Anaerobic Thresholds
3.151.1 Description
3.151.2 Definition
3.151.2.1 Sport Type For Aerobic And Anaerobic Thresholds field
3.152 Supported New Alert Category
3.152.1 Description
3.152.2 Definition
3.153 Supported Unread Alert Category
3.153.1 Description
3.153.2 Definition
3.153.2.1 Category ID Bit Mask
3.154 System ID
3.154.1 Description
3.154.1.1 Example
3.154.2 Definition
3.155 Temperature
3.155.1 Description
3.155.2 Definition
3.156 Temperature 8
3.156.1 Description
3.156.2 Definition
3.157 Temperature 8 In A Period Of Day
3.157.1 Description
3.157.2 Definition
3.158 Temperature 8 Statistics
3.158.1 Description
3.158.2 Definition
3.159 Temperature Measurement
3.159.1 Description
3.159.2 Definition
3.159.2.1 Flags field
3.160 Temperature Range
3.160.1 Description
3.160.2 Definition
3.161 Temperature Statistics
3.161.1 Description
3.161.2 Definition
3.162 Temperature Type
3.162.1 Description
3.162.2 Definition
3.162.2.1 Temperature Text Description field
3.163 Three Zone Heart Rate Limits
3.163.1 Description
3.163.2 Definition
3.164 Time Accuracy
3.164.1 Description
3.164.2 Definition
3.165 Time Decihour 8
3.165.1 Description
3.165.2 Definition
3.166 Time Exponential 8
3.166.1 Description
3.166.2 Definition
3.167 Time Hour 24
3.167.1 Description
3.167.2 Definition
3.168 Time Millisecond 24
3.168.1 Description
3.168.2 Definition
3.169 Time Second 16
3.169.1 Description
3.169.2 Definition
3.170 Time Second 8
3.170.1 Description
3.170.2 Definition
3.171 Time Source
3.171.1 Description
3.171.2 Definition
3.171.2.1 Time Source field
3.172 Time Update Control Point
3.172.1 Description
3.172.2 Definition
3.172.2.1 Time Update Control Point field
3.173 Time Update Status
3.173.1 Description
3.173.2 Definition
3.173.2.1 Current State field
3.173.2.2 Result field
3.174 Time With DST
3.174.1 Description
3.174.2 Definition
3.175 Time Zone
3.175.1 Description
3.175.2 Definition
3.175.2.1 Time Zone field
3.176 True Wind Direction
3.176.1 Description
3.176.2 Definition
3.177 True Wind Speed
3.177.1 Description
3.177.2 Definition
3.178 Two Zone Heart Rate Limits
3.178.1 Description
3.178.2 Definition
3.179 Tx Power Level
3.179.1 Description
3.179.2 Definition
3.179.2.1 Power Level
3.180 Unread Alert Status
3.180.1 Description
3.180.2 Definition
3.180.2.1 Unread Count field
3.181 User Index
3.181.1 Description
3.181.2 Definition
3.181.2.1 User Index field
3.182 UV Index
3.182.1 Description
3.182.2 Definition
3.183 VO2 Max
3.183.1 Description
3.183.2 Definition
3.184 Voltage
3.184.1 Description
3.184.2 Definition
3.185 Voltage Specification
3.185.1 Description
3.185.2 Definition
3.186 Voltage Statistics
3.186.1 Description
3.186.2 Definition
3.187 Volume Flow
3.187.1 Description
3.187.2 Definition
3.188 Waist Circumference
3.188.1 Description
3.188.2 Definition
3.189 Weight
3.189.1 Description
3.189.2 Definition
3.190 Weight Scale Feature
3.190.1 Description
3.190.2 Definition
3.190.2.1 Weight Scale Feature field
3.191 Weight Scale Measurement
3.191.1 Description
3.191.2 Definition
3.191.2.1 Flags field
3.192 Wind Chill
3.192.1 Description
3.192.2 Definition
4 Descriptors
4.1 Valid Range
4.1.1 Description
4.1.2 Definition
5 References
GATT Specification
Supplement
Bluetooth® Specification
▪ Revision: v1.0
▪ Revision Date: 2017-Jul-12
▪ Group Prepared By: Bluetooth Architectural Review Board (BARB)
▪ Feedback Email: barb-main@bluetooth.org
Abstract:
This specification contains the normative definitions for all GATT characteristics and characteristic descriptors,
with the exception of those defined in the Bluetooth Core Specification or in Bluetooth Service specifications.
Bluetooth SIG Proprietary
GATT Specification Supplement / Specification
Revision History
Revision Number Date
Comments
v1.0
Contributors
Name
2017-Jul-12
Adopted by the Bluetooth SIG Board of Directors.
Company
Robert Hulvey
Broadcom Corporation
Satomi Michitsuta
Casio Computer Co. Ltd.
Craig Carlson
F. Hoffmann-La Roche AG (formerly Roche Diabetes Care AG)
Wolfgang Heck
F. Hoffmann-La Roche AG (formerly Roche Diabetes Care AG)
Robert Hughes
Intel Corporation
Leif-Alexandre Aschehoug
Nordic Semiconductor ASA
Frank Berntsen
Nordic Semiconductor ASA
Robin Heydon
Qualcomm Technologies International, Ltd.
Laurence Richardson
Qualcomm Technologies International, Ltd.
Jonathan Tanner
Qualcomm Technologies International, Ltd.
Shunsuke Koyama
Seiko Epson Corporation
Bluetooth SIG Proprietary
Page 2 of 196
GATT Specification Supplement / Specification
Use of this specification is your acknowledgement that you agree to and will comply with the following notices and
disclaimers. You are advised to seek appropriate legal, engineering, and other professional advice regarding the use,
interpretation, and effect of this specification.
Use of Bluetooth specifications by members of Bluetooth SIG is governed by the membership and other related
agreements between Bluetooth SIG and its members, including those agreements posted on Bluetooth SIG’s website
located at www.bluetooth.com. Any use of this specification by a member that is not in compliance with the applicable
membership and other related agreements is prohibited and, among other things, may result in (i) termination of the
applicable agreements and (ii) liability for infringement of the intellectual property rights of Bluetooth SIG and its
members.
Use of this specification by anyone who is not a member of Bluetooth SIG is prohibited and is an infringement of the
intellectual property rights of Bluetooth SIG and its members. The furnishing of this specification does not grant any
license to any intellectual property of Bluetooth SIG or its members. THIS SPECIFICATION IS PROVIDED “AS IS” AND
BLUETOOTH SIG, ITS MEMBERS AND THEIR AFFILIATES MAKE NO REPRESENTATIONS OR WARRANTIES AND
DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTIES OF MERCHANTABILITY, TITLE,
NON-INFRINGEMENT, FITNESS FOR ANY PARTICULAR PURPOSE, OR THAT THE CONTENT OF THIS SPECIFICATION IS
FREE OF ERRORS. For the avoidance of doubt, Bluetooth SIG has not made any search or investigation as to third parties
that may claim rights in or to any specifications or any intellectual property that may be required to implement any
specifications and it disclaims any obligation or duty to do so.
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, BLUETOOTH SIG, ITS MEMBERS AND THEIR AFFILIATES
DISCLAIM ALL LIABILITY ARISING OUT OF OR RELATING TO USE OF THIS SPECIFICATION AND ANY INFORMATION
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AFFILIATES HAVE BEEN ADVISED OF THE POSSIBILITY OF THE DAMAGES.
If this specification is a prototyping specification, it is solely for the purpose of developing and using prototypes to verify
the prototyping specifications at Bluetooth SIG sponsored IOP events. Prototyping Specifications cannot be used to
develop products for sale or distribution and prototypes cannot be qualified for distribution.
Products equipped with Bluetooth wireless technology ("Bluetooth Products") and their combination, operation, use,
implementation, and distribution may be subject to regulatory controls under the laws and regulations of numerous
countries that regulate products that use wireless non-licensed spectrum. Examples include airline regulations,
telecommunications regulations, technology transfer controls and health and safety regulations. You are solely
responsible for complying with all applicable laws and regulations and for obtaining any and all required authorizations,
permits, or licenses in connection with your use of this specification and development, manufacture, and distribution of
Bluetooth Products. Nothing in this specification provides any information or assistance in connection with complying
with applicable laws or regulations or obtaining required authorizations, permits, or licenses.
Bluetooth SIG is not required to adopt any specification or portion thereof. If this specification is not the final version
adopted by Bluetooth SIG’s Board of Directors, it may not be adopted. Any specification adopted by Bluetooth SIG’s
Board of Directors may be withdrawn, replaced, or modified at any time. Bluetooth SIG reserves the right to change or
alter final specifications in accordance with its membership and operating agreements.
Copyright © 2014–2017. All copyrights in the Bluetooth Specifications themselves are owned by Apple Inc., Ericsson AB,
Intel Corporation, Lenovo (Singapore) Pte. Ltd., Microsoft Corporation, Nokia Corporation, and Toshiba Corporation. The
Bluetooth word mark and logos are owned by Bluetooth SIG, Inc. Other third-party brands and names are the property of
their respective owners.
Bluetooth SIG Proprietary
Page 3 of 196
GATT Specification Supplement / Specification
Contents
1
Introduction ......................................................................................................................................... 17
1.1 Language .................................................................................................................................... 17
1.1.1
Language conventions .................................................................................................................... 17
1.1.2 Reserved for Future Use ................................................................................................................. 17
1.1.3
Prohibited ........................................................................................................................................ 17
2 Values and represented values ......................................................................................................... 19
2.1.1
2.1.2
2.1.3
2.1 Scalar values .............................................................................................................................. 19
Example decimal exponent ............................................................................................................. 19
Example binary exponent ................................................................................................................ 19
Example multiplier ........................................................................................................................... 19
2.2 Octet ordering ............................................................................................................................. 19
2.3 CRC calculation .......................................................................................................................... 20
3 Characteristics .................................................................................................................................... 22
3.1 Aerobic Heart Rate Lower Limit .................................................................................................. 22
3.1.1 Description....................................................................................................................................... 22
3.1.2 Definition ......................................................................................................................................... 22
3.2 Aerobic Heart Rate Upper Limit .................................................................................................. 22
3.2.1 Description....................................................................................................................................... 22
3.2.2 Definition ......................................................................................................................................... 23
3.3 Aerobic Threshold ....................................................................................................................... 23
3.3.1 Description....................................................................................................................................... 23
3.3.2 Definition ......................................................................................................................................... 23
3.4 Age .............................................................................................................................................. 24
3.4.1 Description....................................................................................................................................... 24
3.4.2 Definition ......................................................................................................................................... 24
3.5 Alert Category ID ........................................................................................................................ 24
3.5.1 Description....................................................................................................................................... 24
3.5.2 Definition ......................................................................................................................................... 24
3.6 Alert Category ID Bit Mask ......................................................................................................... 25
3.6.1 Description....................................................................................................................................... 25
3.6.2 Definition ......................................................................................................................................... 25
3.7 Alert Level ................................................................................................................................... 26
3.7.1 Description....................................................................................................................................... 26
3.7.2 Definition ......................................................................................................................................... 26
3.8 Alert Notification Control Point .................................................................................................... 27
3.8.1 Description....................................................................................................................................... 27
3.8.2 Definition ......................................................................................................................................... 27
3.9 Alert Status ................................................................................................................................. 28
3.9.1 Description....................................................................................................................................... 28
3.9.2 Definition ......................................................................................................................................... 28
3.10 Anaerobic Heart Rate Lower Limit .............................................................................................. 28
3.10.1 Description....................................................................................................................................... 28
3.10.2 Definition ......................................................................................................................................... 29
3.11 Anaerobic Heart Rate Upper Limit .............................................................................................. 29
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3.11.1 Description....................................................................................................................................... 29
3.11.2 Definition ......................................................................................................................................... 29
3.12 Anaerobic Threshold ................................................................................................................... 29
3.12.1 Description....................................................................................................................................... 29
3.12.2 Definition ......................................................................................................................................... 30
3.13 Apparent Wind Direction ............................................................................................................. 30
3.13.1 Description....................................................................................................................................... 30
3.13.2 Definition ......................................................................................................................................... 30
3.14 Apparent Wind Speed ................................................................................................................. 31
3.14.1 Description....................................................................................................................................... 31
3.14.2 Definition ......................................................................................................................................... 31
3.15 Appearance ................................................................................................................................. 31
3.15.1 Description....................................................................................................................................... 31
3.15.2 Definition ......................................................................................................................................... 31
3.16 Average Current .......................................................................................................................... 39
3.16.1 Description....................................................................................................................................... 39
3.16.2 Definition ......................................................................................................................................... 39
3.17 Average Voltage ......................................................................................................................... 39
3.17.1 Description....................................................................................................................................... 39
3.17.2 Definition ......................................................................................................................................... 40
3.18 Battery Level ............................................................................................................................... 40
3.18.1 Description....................................................................................................................................... 40
3.18.2 Definition ......................................................................................................................................... 40
3.19 Barometric Pressure Trend ......................................................................................................... 40
3.19.1 Description....................................................................................................................................... 40
3.19.2 Definition ......................................................................................................................................... 40
3.20 Blood Pressure Feature .............................................................................................................. 41
3.20.1 Description....................................................................................................................................... 41
3.20.2 Definition ......................................................................................................................................... 41
3.21 Blood Pressure Measurement .................................................................................................... 42
3.21.1 Description....................................................................................................................................... 42
3.21.2 Definition ......................................................................................................................................... 42
3.22 Body Composition Feature ......................................................................................................... 45
3.22.1 Description....................................................................................................................................... 45
3.22.2 Definition ......................................................................................................................................... 46
3.23 Body Composition Measurement ................................................................................................ 47
3.23.1 Description....................................................................................................................................... 47
3.23.2 Definition ......................................................................................................................................... 47
3.24 Body Sensor Location ................................................................................................................. 51
3.24.1 Description....................................................................................................................................... 51
3.24.2 Definition ......................................................................................................................................... 51
3.25 Boolean ....................................................................................................................................... 51
3.25.1 Description....................................................................................................................................... 51
3.25.2 Definition ......................................................................................................................................... 52
3.26 CGM Feature .............................................................................................................................. 52
3.26.1 Description....................................................................................................................................... 52
3.26.2 Definition ......................................................................................................................................... 52
3.27 CGM Measurement..................................................................................................................... 55
3.27.1 Description....................................................................................................................................... 55
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3.27.2 Definition ......................................................................................................................................... 55
3.28 CGM Session Run Time ............................................................................................................. 59
3.28.1 Description....................................................................................................................................... 59
3.28.2 Definition ......................................................................................................................................... 59
3.29 CGM Session Start Time ............................................................................................................ 59
3.29.1 Description....................................................................................................................................... 59
3.29.2 Definition ......................................................................................................................................... 60
3.30 CGM Specific Ops Control Point ................................................................................................ 60
3.30.1 Description....................................................................................................................................... 60
3.30.2 Definition ......................................................................................................................................... 60
3.31 CGM Status ................................................................................................................................ 65
3.31.1 Description....................................................................................................................................... 65
3.31.2 Definition ......................................................................................................................................... 66
3.32 Chromatic Distance From Planckian .......................................................................................... 66
3.32.1 Description....................................................................................................................................... 66
3.32.2 Definition ......................................................................................................................................... 66
3.33 Chromaticity Coordinate ............................................................................................................. 67
3.33.1 Description....................................................................................................................................... 67
3.33.2 Definition ......................................................................................................................................... 67
3.34 Chromaticity Coordinates ........................................................................................................... 67
3.34.1 Description....................................................................................................................................... 67
3.34.2 Definition ......................................................................................................................................... 67
3.35 Chromaticity In CCT And Duv Values......................................................................................... 68
3.35.1 Description....................................................................................................................................... 68
3.35.2 Definition ......................................................................................................................................... 68
3.36 Chromaticity Tolerance ............................................................................................................... 68
3.36.1 Description....................................................................................................................................... 68
3.36.2 Definition ......................................................................................................................................... 68
3.37 CIE 13.3-1995 Color Rendering Index........................................................................................ 69
3.37.1 Description....................................................................................................................................... 69
3.37.2 Definition ......................................................................................................................................... 69
3.38 Coefficient ................................................................................................................................... 69
3.38.1 Description....................................................................................................................................... 69
3.38.2 Definition ......................................................................................................................................... 69
3.39 Correlated Color Temperature .................................................................................................... 69
3.39.1 Description....................................................................................................................................... 69
3.39.2 Definition ......................................................................................................................................... 69
3.40 Count 16 ..................................................................................................................................... 70
3.40.1 Description....................................................................................................................................... 70
3.40.2 Definition ......................................................................................................................................... 70
3.41 Count 24 ..................................................................................................................................... 70
3.41.1 Description....................................................................................................................................... 70
3.41.2 Definition ......................................................................................................................................... 70
3.42 Country Code .............................................................................................................................. 71
3.42.1 Description....................................................................................................................................... 71
3.42.2 Definition ......................................................................................................................................... 71
3.43 CSC Feature ............................................................................................................................... 71
3.43.1 Description....................................................................................................................................... 71
3.43.2 Definition ......................................................................................................................................... 71
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3.44 CSC Measurement ..................................................................................................................... 72
3.44.1 Description....................................................................................................................................... 72
3.44.2 Definition ......................................................................................................................................... 72
3.45 Current Time ............................................................................................................................... 73
3.45.1 Description....................................................................................................................................... 73
3.45.2 Definition ......................................................................................................................................... 73
3.46 Cycling Power Control Point ....................................................................................................... 74
3.46.1 Description....................................................................................................................................... 74
3.46.2 Definition ......................................................................................................................................... 74
3.47 Cycling Power Feature ............................................................................................................... 78
3.47.1 Description....................................................................................................................................... 78
3.47.2 Definition ......................................................................................................................................... 78
3.48 Cycling Power Measurement ...................................................................................................... 81
3.48.1 Description....................................................................................................................................... 81
3.48.2 Definition ......................................................................................................................................... 81
3.49 Cycling Power Vector ................................................................................................................. 84
3.49.1 Description....................................................................................................................................... 84
3.49.2 Definition ......................................................................................................................................... 84
3.50 Database Change Increment ...................................................................................................... 86
3.50.1 Description....................................................................................................................................... 86
3.50.2 Definition ......................................................................................................................................... 86
3.51 Date Of Birth ............................................................................................................................... 87
3.51.1 Description....................................................................................................................................... 87
3.51.2 Definition ......................................................................................................................................... 87
3.52 Date Of Threshold Assessment .................................................................................................. 88
3.52.1 Description....................................................................................................................................... 88
3.52.2 Definition ......................................................................................................................................... 88
3.53 Date Time ................................................................................................................................... 90
3.53.1 Description....................................................................................................................................... 90
3.53.2 Definition ......................................................................................................................................... 90
3.54 Day Date Time ............................................................................................................................ 91
3.54.1 Description....................................................................................................................................... 91
3.54.2 Definition ......................................................................................................................................... 91
3.55 Day of Week ............................................................................................................................... 91
3.55.1 Description....................................................................................................................................... 91
3.55.2 Definition ......................................................................................................................................... 91
3.56 Date UTC .................................................................................................................................... 92
3.56.1 Description....................................................................................................................................... 92
3.56.2 Definition ......................................................................................................................................... 92
3.57 Dew Point .................................................................................................................................... 92
3.57.1 Description....................................................................................................................................... 92
3.57.2 Definition ......................................................................................................................................... 92
3.58 DST Offset .................................................................................................................................. 93
3.58.1 Description....................................................................................................................................... 93
3.58.2 Definition ......................................................................................................................................... 93
3.59 Electric Current ........................................................................................................................... 93
3.59.1 Description....................................................................................................................................... 93
3.59.2 Definition ......................................................................................................................................... 93
3.60 Electric Current Range ............................................................................................................... 94
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3.60.1 Description....................................................................................................................................... 94
3.60.2 Definition ......................................................................................................................................... 94
3.61 Electric Current Specification ...................................................................................................... 94
3.61.1 Description....................................................................................................................................... 94
3.61.2 Definition ......................................................................................................................................... 94
3.62 Electric Current Statistics ............................................................................................................ 95
3.62.1 Description....................................................................................................................................... 95
3.62.2 Definition ......................................................................................................................................... 95
3.63 Elevation ..................................................................................................................................... 96
3.63.1 Description....................................................................................................................................... 96
3.63.2 Definition ......................................................................................................................................... 96
3.64 Email Address ............................................................................................................................. 96
3.64.1 Description....................................................................................................................................... 96
3.64.2 Definition ......................................................................................................................................... 96
3.65 Energy ......................................................................................................................................... 96
3.65.1 Description....................................................................................................................................... 96
3.65.2 Definition ......................................................................................................................................... 97
3.66 Energy In A Period Of Day ......................................................................................................... 97
3.66.1 Description....................................................................................................................................... 97
3.66.2 Definition ......................................................................................................................................... 97
3.67 Event Statistics ........................................................................................................................... 97
3.67.1 Description....................................................................................................................................... 97
3.67.2 Definition ......................................................................................................................................... 98
3.68 Exact Time 256 ........................................................................................................................... 98
3.68.1 Description....................................................................................................................................... 98
3.68.2 Definition ......................................................................................................................................... 98
3.69 Fat Burn Heart Rate Lower Limit ................................................................................................ 98
3.69.1 Description....................................................................................................................................... 98
3.69.2 Definition ......................................................................................................................................... 99
3.70 Fat Burn Heart Rate Upper Limit ................................................................................................ 99
3.70.1 Description....................................................................................................................................... 99
3.70.2 Definition ......................................................................................................................................... 99
3.71 Firmware Revision String ............................................................................................................ 99
3.71.1 Description....................................................................................................................................... 99
3.71.2 Definition ......................................................................................................................................... 99
3.72 First Name ................................................................................................................................ 100
3.72.1 Description..................................................................................................................................... 100
3.72.2 Definition ....................................................................................................................................... 100
3.73 Five Zone Heart Rate Limits ..................................................................................................... 100
3.73.1 Description..................................................................................................................................... 100
3.73.2 Definition ....................................................................................................................................... 101
3.74 Fixed String 16 .......................................................................................................................... 101
3.74.1 Description..................................................................................................................................... 101
3.74.2 Definition ....................................................................................................................................... 101
3.75 Fixed String 24 .......................................................................................................................... 101
3.75.1 Description..................................................................................................................................... 101
3.75.2 Definition ....................................................................................................................................... 101
3.76 Fixed String 36 .......................................................................................................................... 102
3.76.1 Description..................................................................................................................................... 102
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