HK NATER TECH LIMITED 
RL-UM02WBS-8723BU    Specification 
 
 
Customer:                                                                                                       
 
Description:      RL-UM02WBS-8723BU-V1.2             
 
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Customer:                                                              Provider:HK NATER TECH LIMITED 
Add:                                                                        Add: 2F,NO.27,2 Baomin Rd.,Baoan Dist.SZ City,China 
Tel:                                                                          Tel:0086-755-61522172/13510620050   
Fax:                                                                          Fax:0086-755-61522171   
Attn:                                                                        Attn:Lingo 
E-mail:                                                                    E-mail:hsdgood@163.com 
 
 
 
Web:http://www.natertech.com    Tel:+86-755-6152-2172    Fax: Tel:+86-755-6152-21721 
 
SPECIFICATIONS 
 
  IEEE 802.11 b/g/n 2.4GHz   
 BT V2.1/BT V3.0/BT V4.0  
 
        WiFi+BT  1T1R  Module
                             
 
 
                                     
                                      RL-UM02WBS-8723BU 
                                                Version: V1.2 
 
 
 
 
 
 
 
 
 
1.General Description 
RTL8723BU is a highly integrated  single-chip 802.11n Wireless LAN (WLAN) 
USB 2.0 Multi-Function network interface controller with integrated 
Bluetooth 2.1/3.0/4.0 controller. It combines a WLAN MAC, a 1T1R capable 
WLAN baseband, and RF in s single chip. The RTL8723BU provides a complete 
solution for a high-performance integrated wireless and Bluetooth device. 
The integration provides better coordination between  802.11 and 
Bluetooth, and with sophisticated dynamic power control and packet traffic 
arbitration, RTL8723BU is able to provide the best coexistence performance 
Overview. 
 
 
 
General 
 
IEEE  802.11b/g/n  1T1R  WLAN  and 
Bluetooth single chip 
Host Interface 
  Complies  with  USB2.0  for  WLAN  and  BT 
controller 
  USB  Multi-Function  for  both  BT  (USB 
function 0) and WLAN (USB function 1) 
  USB LPM/ USB SS supported 
 
WLAN Controller 
  CMOS  MAC,  Baseband  PHY,  and  RF  in  a 
single chip for IEEE 802.11b/g/n compatible 
WLAN 
Integrated Balun and DPDT 
 
  Complete 802.11n solution for 2.4GHz band
 
72.2Mbps  receive  PHY  rate  and  72.2Mbps 
transmit PHY rate using 20MHz bandwidth 
150Mbps  receive  PHY  rate  and  150Mbps 
transmit PHY rate using 40MHz bandwidth 
 
  Backward 
compatible  with 
802.11b/g 
 
 
 
devices while operating in 802.11n mode 
IEEE 802.11b/g/n compatible WLAN 
IEEE 802.11e QoS Enhancement (WMM) 
IEEE  802.11i  (WPA,  WPA2).  Open,  shared 
key,  and  pair-wise  key  authentication 
services 
  WAPI supported   
 
  Switch diversity for DSSS/CCK 
  Packet based hardware antenna diversity     
  Selectable receiver FIR filters   
  Programmable  scaling  in  transmitter  and 
receiver  to  trade  quantization  noise  against 
increased probability of clipping   
  Fast receiver Automatic Gain Control (AGC)
 
Other Features 
  Supports Wake-On-WLAN via Magic Packet 
and Wake-up frame 
  Support S3/S4 AES/TKIP group key update 
  Support Win8 Network List Offload 
  Support TCP/UDP/IP checksum offload 
 
Bluetooth Controller 
  Compatible  with  Bluetooth  v2.1  and  v3.0 
Systems 
  Supports Bluetooth 4.0 Low Energy(BLE) 
 
to  execute  Bluetooth 
Integrated  MCU 
protocol stack 
  Supports  all  packet  types  in  basic  rate  and 
enhanced data rate 
  Supports 4 piconets in a scatternet   
  Supports Secure Simple Pairing   
  Supports  Low  Power  Mode  (Sniff/Sniff 
Sub-rating/Hold/Park) 
  Enhanced  BT/WIFI  Coexistence  Control  to 
improve  transmission  quality  in  different 
WLAN MAC Features 
  Frame  aggregation  for 
increased  MAC 
  Bluetooth 
4.0  Dual  Mode 
support: 
profiles 
efficiency (A-MSDU, A-MPDU)   
Simultaneous LE and BR/EDR 
  Low  latency  immediate  High-Throughput 
Block Acknowledgement (HT-BA) 
to  enhance 
  PHY-level  spoofing 
legacy 
  Supports multiple Low Energy states   
  Support 3D Glasses application   
  Support  Intel  Latency  Tolerance  Reporting 
compatibility   
(LTR) 
  Multi  MACID  support  with  Fast  Channel 
switch 
  Channel management and co-existence 
  Transmit  Opportunity 
Short 
Inter-Frame Space (SIFS) bursting for higher 
multimedia bandwidth   
(TXOP) 
  WiFi  Direct  supports  wireless  peer  to  peer 
 
applications 
 
Bluetooth Transceiver 
  Fast  AGC  control  to  improve  receiving 
dynamic range 
  Supports AFH to dynamically detect channel 
quality to improve transmission quality 
Integrated  internal  Class  1,  Class  2,  and 
Class 3 PA 
  Bluetooth 3.0+HS compliant 
  Supports Enhanced Power Control 
  Supports Bluetooth Low Energy   
 
Integrated  32K  oscillator 
management 
for  power 
4-wire EEPROM control interface (93C46) 
Peripheral Interfaces   
  General Purpose Input/Output (8 pins)   
 
  Three configurable LED pins   
  Flexible  XTAL  frequency  selection(52,  48, 
40, 38.4, 27, 26, 25, 24, 20, 19.2, 17.664, 16, 
14.318, 13 and 12MHz) 
  Support XTAL or external clock input 
 
 
WLAN PHY Features 
 
IEEE 802.11n OFDM 
  One Transmit and one Receive path (1T1R) 
 
20MHz and 40MHz bandwidth transmission
  Support 2.4GHz band channels 
  Short Guard Interval (400ns) 
  DSSS  with  DBPSK 
and  DQPSK, 
short 
long  and 
CCKmodulation  with 
preamble 
  OFDM  with  BPSK,  QPSK,  16QAM, 
64QAM modulation.   
      Convolutional Coding Rate: 1/2, 2/3, 3/4, and 
5/6   
  Maximum  data 
rate  54Mbps 
in  IEEE 
802.11g; and 150Mbps in IEEE 802.11n 
 
 
 
 
 
Product Name   
Major Chipset 
Standard   
Data Transfer Rate   
Modulation Method 
Frequency Band   
Spread Spectrum   
Operation Range   
OS Support   
Security   
Bus Interface 
Operating Channel   
RL-UM02WBS-8723BU-V1.2 
WLAN 11b/g/n USB2.0 module   
Realtek RTL8723BU 
WIFI:    IEEE802.11n  、IEEE 802.11g、IEEE 802.11b 
BT :V2.1/BT V3.0/BT V4.0 
1,2,5.5,6,11,12,18,22,24,30,36,48,54,60,90,120 and maximum of 
150Mbps   
DSSS,DBPSK, DQPSK, CCK and OFDM (BPSK/QPSK/16-QAM/ 
64-QAM) 
2.400GHz ~ 2.4835 GHz   
IEEE 802.11b: DSSS (Direct Sequence Spread Spectrum) ,CCK(Com 
plem e ntary Code Keying) 
IEEE 802.11g/n:OFDM (Orthogonal Frequency Division Multiplexing) 
Up to 180 meters in open space   
Windows 2000,XP32-64,Vista 32/64,Win7 32/64,Linux,Mac, Android, 
WIN CE 
WEP, TKIP, AES, WPA, WPA2   
WiFi:USB2.0            BT: USB2.0 
WiFi 2.4GHz:    11: (Ch. 1-11) – United States;13: (Ch. 1-13) – 
Europe  ;14: (Ch. 1-14) – Japan       
 
BT 2.4GHz: Ch. 0 ~78   
3.3 V ±0.2V    I/O supply voltage   
-10 ~ +70° C ambient temperature   
2.General Specification 
Model 
Power Consumption 
Operating 
Temperature   
Storage Temperature    -10 ~ 70°C ambient temperature   
Humidity   
Dimension                      13. 4 x 12. 2 x 1.6mm (LxWxH) +-0.2MM 
 
 
5 to 90 % maximum (non-condensing)   
 
3.Block Diagram 
Single-Band 11n (1x1) Solution with Integrated Bluetooth   
Controller with Antenna Diversity 
 
 
Figure 1.    Single-Band 11n (1x1) and Integrated Blue tooth Controller Solution with 
Antenna Diversity 
 
 
4.Power Supply DC Characteristics 
Symbol 
Parameter 
Minimum Typical Maximum  Units
VA33, VA33_PAD_S0,   
VA33_PA_S0,VA33_PAD_S1     
VA33_PA_S1,VA33_WLG_SY
N,VA33_AFE,VD33IO,VDD_IO 
VA12,VA12_BT,VA12_BT_SY
N,VA12_WLG,VA12_WLG_SY
N, VA12_AFE, VD12D 
IDD33 
 
DC Characteristics 
Module 
RL-UM02WBS-8723BU-V1.2 
3.3V Supply Voltage
3.0 
3.3 
3.6 
1.2V  Core  Supply 
Voltage 
1.10 
1.2 
1.32 
V 
V 
3.3V Rating Current
- 
- 
600 
mA 
Voltage 
3.3V 
Current Consumption (linking) 
160mA (上网或者看电影时的功耗) 
5.Electrical Specifications 
1) RF Characteristics for IEEE802.11b    ( 11Mbps mode unless otherwise specified) 
Items 
Specification 
Mode 
Channel frequency 
RX    (per≤85 dBm@8%) 
TX Characteristics 
Power Level    (17±2 dBm) 
EVM (≤-18) 
Contents 
IEEE802.11b 
CCK 11 Mbps 
2412 ~ 2484 MHz 
-85 dBm 
Min. 
Typ. 
17 
-18 
Max. 
 
 
 
 
Unit 
dBm 
dB 
 
2) RF Characteristics for IEEE802.11g    ( 54Mbps mode unless otherwise specified) 
Items 
Specification 
Mode 
Channel frequency 
RX (per≤70 dBm@10%) 
TX Characteristics 
Power Level    (14±2dBm) 
EVM (≤-28) 
Contents 
IEEE802.11g 
OFDM 54 Mbps 
2412 ~ 2484 MHz 
-70 dBm 
Min. 
Typ. 
14 
-28 
Max. 
 
 
 
 
Unit 
dBm 
dB 
 
3) RF Characteristics for IEEE802.11n (BW20_MCS7) 
Items 
Specification 
Mode 
Channel frequency 
RX (per≤65 dBm@10%) 
TX Characteristics 
Power Level    (13±2 dBm) 
EVM (≤-28) 
Contents 
IEEE802.11n (BW20_MCS7) 
OFDM 65 Mbps 
2412 ~ 2484 MHz 
-65 dBm 
Min. 
Typ. 
13 
-28 
 
 
 
4) RF Characteristics for IEEE802.11n (BW40_MCS7) 
Items 
Specification 
Mode 
Channel frequency 
RX (per≤65 dBm@10%) 
TX Characteristics 
Power Level    (13±2 dBm) 
EVM (≤-28) 
Contents 
IEEE802.11n (BW40_MCS7) 
OFDM 135 Mbps 
2412 ~ 2484 MHz 
-65 dBm 
Min. 
Typ. 
          13 
-28 
 
 
Max. 
 
 
Unit 
dBm 
dB 
Max. 
 
 
Unit 
dBm 
dB 
 
6.Bluetooth Specification 
Feature 
General Specification 
Bluetooth Standard 
Host Interface 
Antenna Reference 
Frequency Band 
Number of Channels 
Modulation 
RF Specification 
 
Output Power (Class 1.5) 
Output Power (Class 2) 
Sensitivity @ BER=0.1%        for GFSK (1Mbps) 
Sensitivity @ BER=0.01%      for π/4-DQPSK (2Mbps)
Sensitivity @ BER=0.01%      for 8DPSK (3Mbps) 
Maximum Input Level 
Description 
Bluetooth V3.3 of 1, 2 and 3 Mbps. 
UART 
Small antennas with 0~2 dBi peak gain 
2.400 GHz ~ 2483.5 GHz 
79 channels 
FHSS, GFSK, DPSK, DQPSK 
Min 
Typical 
Max 
 
 
 
 
 
10 
2 
-89 
-85 
-83 
 
 
 
 
 
GFSK (1Mbps):-20dBm 
π/4-DQPSK (2Mbps) :-20dBm 
8DPSK (3Mbps) :-20dBm 
7.Mechanical 
 
Dimensions 
(mm)   
Length   
13.4 
Width   
12.2 
Height   
1.6 
(Tolerance:±0.2mm) 
(Tolerance:±0.2mm) 
(Tolerance:±0.2mm)