Schematic

1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
GND
Power
UART1_TXD
1
UART1_RXD
2
UART1_RTS
3
UART1_CTS
4
UART1_DCD
5
UART1_DTR
6
UART1_RI
7
GND
8
MICP
9
MICN
10
SPK1P
11
SPK1N
12
GND
13
SIM1_DET
14
SIM1_DATA
15
SIM1_CLK
16
SIM1_RST
17
SIM1_VDD
18
GND
19
BT_ANT
20
GND
21
UART2_TXD
22
UART2_RXD
23
USB_VBUS
24
USB_DP
25
USB_DM
26
GND
27
VRTC
28
RF_SYNC
29
GND
30
GND
31
GSM_ANT
32
GND
33
GPS_VBAT
34
GSM_VBAT
35
GND
36
GND
37
ADC
38
PWRKEY
39
VDD_EXT
40
NETLIGHT
41
STATUS
42
SPK2N
43
SPK2P
44
GND
45
MCCA3
46
MCCA2
47
MCCA1
48
MCCA0
49
MCCK
50
MCCM0
51
SIM2_DET
52
SIM2_DATA
53
SIM2_CLK
54
SIM2_RST
55
SIM2_VDD
56
GPIO1
57
GPIO2
58
GNSS_EN
59
1PPS
60
GPS_TXD
61
GPS_RXD
62
GND
63
SDA
64
SCL
65
GND
66
GND
67
GPS_ANT
68
GND
69
GND
70
GND
71
GND
72
GND
73
GND
74
GND
75
GND
76
GND
77
SIM868
U4
SIM868
TXD
RXD
S_TX
S_RX
VDD_EXT
VDD_EXT
VBAT
GND
GND
SIM1_VCC
SIM_CAR
SIM1_RST
SIM1_CLK
SIM1_DATA
SIM1_CLK
SIM1_DATA
SIM1_RST
SIM1_VCC
10K
R12
LED_PPS
LED_NET
22P
C28
22P
C27
22P
C26
GND
VRTC
LED_STA
GND
GND
GND
GND
NET
LED_NET
L_STA1
GND
LED_STA
earphone
MICP
MICN
GND
GND
GND
SPK1P
SPK1N
MICN
MICP
SPK1P
SPK1N
GND
ANT_BT
GND
ANT_BT
ANT_GSM
ANT_GPS
GND
GND
ANT_GPS
PWRKEY
S_TX S_RX
R14
1K
GND
LED_PPS
GND
VBAT
GND
GND
GND
GND
GND
P_TXP_RX
STA
USB to UART
GPS ANT
GSM/GPRS/GNSS HAT
L_NET1 L_TXD1 L_RXD1L_PPS1
L_PWR1
R13
1K
R15
1K
R16
1K
R21 22R
R20 22R
R8
10K
R9
10K
R5
1K
R22 22R
R18 22R
C5
30P
C6
10P
C4
30P
C3
10P
C13
10P
C14
30P
C16
30P
C15
10P
L2
68nH
C25
104
K1
1
A
2
K2
3
K3
4
K4
5
K5
6
SMF1
GND
PPS
1 2
3 4
5 6
7 8
9 10
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
P2
RPI GPIO
P_RX
P_TX
GND
GND
GND
GND
GND
GND
GND
GND
5V
5V
P18
P12
P19
P13
GND
P26
P6
P5
ID_SD
P_SCK
P_MISO
P_MOSI
3.3V
P22
P27
P17
P4
P_SCL
P_SDA
3.3V
P23
P24
P25
P_CE0
P_CE1
ID_SC
P16
P20
P21
wPi BCMBCM wPi
15
16
1
4
5
6
10
11
26
27
28
29
8
9
7
0
2
3
12
13
14
21
22
23
24
25
2
3
4
17
27
22
10
9
11
5
6
13
19
26
21
20
16
12
7
8
25
23
24
14
15
18
GND
1
DATA
2
GND
3
BT1
IPEX
GND
1
DATA
2
GND
3
GPS1
IPEX
SIM_VCC
1
SIM_RST
2
SIM_CLK
3
SIM_GND
4
SIM_VPP
5
SIM_I/O
6
SIM_CARD1
SIM_CARD_NANO
CLK_EN
RST_EN
DATA_EN
SIM1_VCC
DATA_ENRST_EN
CLK_EN
VDD_EXT
3V3
U_RXU_TX
GSM ANT
BT ANT
K1
PWR_KEY
GND
PWRKEY
PWRKEY
VBAT
33pF
C22
10pF
C23
100uF
C21
D1
5.1V 1/2W
aveshare
W
BAT1
S_RXS_TX
UART LED
UART2_TXD
UART2_RXD
GPS_RXD
GPS_TXD
GPIO1
GPS_EN
1
2
3
4
5
GSM1
GND
ANT_GSM
BOOT
1
VIN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
U1
MP1482
C1 10nF
C8 0.1uF
R1 100K
C9 3.3nF
R6
5.6K
R2
12K
R7
3.6K
C10
22uF/6.3V
VBAT
L1
10uH/4A
10uF/25V
C2
1
3
5
7
2
4
6
8
J1
Header 4X2
U_RX U_TX
UART JMP
STA
Indicator light
SIM868
Antenna
Raspberry Intarface
3V3
GND
5V
GND
C17
10P
R10
10K
R11
10K
C18
30P
1
3
6
5
2
4
1
GND
R17
1K
CTS
23
RTS
24
RXD
25
TXD
26
DSR
27
DTR
28
DCD
1
RI
2
SUSPEND
11
SUSPEND
12
RST
9
D+
4
D-
5
VBUS
8
GND
3
VDD
6
REGIN
7
U2
CP2102
VBUS
1
D-
2
D+
3
ID
4
GND
5
SHIELD1
6
SHIELD2
7
SHIELD3
8
SHIELD4
9
USB.J1
USB
GND
5V
C12
0.1uF
C11
4.7uF
C7
1uF
R3 4.7k
5V
R4 10k
GND
GND
GND
U_TX
U_RX
3V3
4
3
2
U3B
NDC7002N
6
1
5
U3A
NDC7002N
3V3