1
2
3
RI
DCD
DTR
DSR
TXD
RXD
RTS
CTS
R1
R2
4K7
10K
USB_5V
GND
U_TX
U_RX
9
12
11
2
1
28
27
26
25
24
23
aveshareW
MAX-XXX GNSS HAT
3V3
USB_5V
C5
1uF
GND
V_BCKP
C1
0.1uF
C2 4.7uF
I1
1N4148
R3 1K
BAT
GND
3V3
5
4
1
2
3
U2
VIN
GND
EN
VOUT
BP
RT9193-33
Power
C6
C7
22nF
104
GND
U_RX
MAX_TX
P_RX
U_TX
4
J1
1
3
5
7
2
4
6
8
Header 4X2
U_TX
MAX_RX
P_TX
U_RX
Uart Choose
Uart&I2C
3V3
VCCB
USB_5V
USB_5V
GND
MAX_RXD
MAX_TXD
P_27
SDA
SCL
1PPS
I2C
P1
1
2
3
4
5
6
7
8
9
10
11
Header 11
A
B
USB.J1
VBUS
D-
D+
ID
GND
SHIELD1
SHIELD2
SHIELD3
SHIELD4
USB
1
2
3
4
5
6
7
8
9
USB_5V
3V3
D_N
D_P
U1
REGIN
VDD
RST
SUSPEND
SUSPEND
7
6
3
8
C4
1uF
C3
10uF
GND
GND
GND
VBUS
D_N
D_P
5
4
D-
D+
D
N
G
CP2102
9
2
USB TO UART
GND
3V3
R4
1K
PPS
R5
1K
R6
1K
R7
1K
PWR1
TXD1
RXD1
PPS1
MAX_TX
MAX_RX
GND
GND
Indicator light
BCM
wPi
C
2
3
4
17
27
22
10
9
11
5
6
13
19
26
8
9
7
0
2
3
12
13
14
21
22
23
24
25
D
PI_3V3
P_SDA
P_SCL
P4
GND
P17
P27
P22
3V3_PI
P_MOSI
P_MISO
P_SCK
GND
ID_SD
P5
P6
P13
P19
P26
GND
P3
1
2
4
3
6
5
8
7
10
9
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
RPI GPIO
PPS
USB_5V
USB_5V
GND
P_TX
P_RX
P18
GND
P23
P24
GND
P25
P_CE0
P_CE1
ID_SC
GND
GND
P12
GND
P16
P20
P21
wPi
BCM
15
16
1
4
5
6
10
11
26
27
28
29
14
15
18
23
24
25
8
7
12
16
20
21
Raspberry Interface
1
2
A
B
C
D
VCCB
C9
100nF
GND
MAX_RXD
MAX_TXD
P_27
SDA
SCL
1PPS
47K
R8
GND
19
11
20
18
17
16
15
14
13
12
U3
VCCB
GND
B1
B2
B3
B4
B5
B6
B7
B8
VCCA
OE
A1
A2
A3
A4
A5
A6
A7
A8
TXS0108EPWR
3V3
C8
GND
100nF
2
10
1
3
4
5
6
7
8
9
MAX_RX
MAX_TX
P27
P_SDA
P_SCL
PPS
47K
R9
GND
Voltage Level Switch
H2
1
2
3
GNSS
MAX-XX-0
GND
1
2
3
VCC_RF
U5
R2
D2
D2
R1
ON/OFF
S2
Si1040X
6
5
4
LNA_EN
IND1
27nH
R12
10K
GND
RF_IN
GND
LNA_EN
VCC_RF
GND
P_SDA
P_SCL
10
11
12
13
14
15
16
17
18
U4
GND
RF_IN
GND
LNA_EN/RSVD
VCC_RF
V_ANT/RSVD
SDA
SCL
SAFEBOOT_N
RESET_N
VCC
VCC_IO
V_BCKP
EXTINT
TIMEPULSE
RXD
TXD
GND
9
8
7
6
5
4
3
2
1
3V3
V_BCKP
P27
PPS
MAX_RX
MAX_TX
GND
R10
10K
R11
100K
C10
1nF
MAX-M8
GND
3
VCC_RF
3V3
C11
1nF
C12
C13
C14
4.7uF
10nF
104
GND
GND
4