Datasheet

FP1
FERRITE BEAD
1
2
3
5
6
7
8
VCC
GND
RST
CLK
DAT
CD
COM
U2
SIM_CARD
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
DCD RING DSR DTR RTS CTS
EAR-
STAT_LED
EAR+
NC
NC
TXD
RXD
SIMVCC SIMRST
SIMCLK SIMIO
AN1
AN2
DAC_OUT
NC
NC
MIC-
AGND
MIC+
NC
ALARM
ANTENNA
RFTXMON
BUZZER
VRTC
NC
GND GND
GND GND
37
38
39
40
41
42
43
44
45
46
47
48
Vbat
Vbat
GPIO03
GND
GPIO02
GPIO04
GPIO01
V_AUX/PWRMON
RXD_AUX
TXD_AUX
NC
RESET#
GL865-QUAD
U1
R2
10K
+2V8
Vgsm
RTS
GPIO2
CTS RXD
TXD
VBATT
C5 100nF
C1 100nF
RSTm
Vgsm
STAT_LED
TX_LED
C4 33pF
C3 33pF
C2 33pF
+2V8
GPIO1
SIM_VCC
SIM_RST SIM_CLK SIM_IO
SIM_VCC
SIM_RST
SIM_CLK
SIM_IO
Q2
BC846
R4
10K
RSTm
GPIO1
MIC+
EAR+
CN1
MMCX_PLUG
EAR-
MIC-
AGND
DTR
DSR RING DCD
GPIO3
GPIO4
DCD
RING
DSR
DTR
RTS
CTS
TXD
RXD
AN1
AN1
SIM_VCC
SIM_RST
SIM_CLK
SIM_IO
STAT_LED
TX_LED
BUZZER
ALARM
ALARM BUZZER
+2V8
GPIO4
GPIO3
GPIO2
VBATT
R1
10K
VBATT
RST
RST
VBATT
VBATT
VBATT
GND
GND
E1
10uF
VBATT
J1
J2
J3
J4
MIC+
MIC-
EAR+
EAR-
HF_MIC+
MT_MIC+
HF_MIC-
MT_MIC-
MT_EAR+
HF_EAR+
MT_EAR-
HF_EAR-
HF_EAR+
HF_EAR-
HF_MIC+
HF_MIC-
MT_EAR-
MT_EAR+
MT_MIC+
MT_MIC-
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
2
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
4
Q1
DMG3420U
Figure 2: GSM Booster schematic
page 3
GSM BOOSTER