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1
WAKEUP _IN
W
2
A
AP_READY
3
R
RESERVED
W_
_DISABLE#
4
5
N
NET_MODE
6
NET
T_STATUS
7
VDD_EXT
141
RESERVED
R
142
R
RESERVED
8
GND
9
GND
10
USIM_GND
U
11
DBG_RXD
12
DBG_TXD
13
USIM_P
PRESENCE
14
USIM_VDD
U
U
SIM_DATA
15
16
USIM_CLK
U
U
USIM_RST
17
18
RESERVED
R
NOTES
1.
Keep a
all RESERVE
EDpins and
2.
GND pa
ads 85~112
should be c
not be d
designed in
schematic a
※
3.
"
" mea
ans these in
terface func
EC25-A_Us
E
All manuals and user guides at all-guides.com
129
117
108
103
99
130
118
131
119
132
120
109
104
100
133
121
82
134
122
110
105
83
135
123
84
136
124
111
106
101
137
125
138
126
139
127
112
107
102
140
128
Power Pins
GND
D Pins
Fi
gure 2: Pin
n Assignme
unused pins
s unconnect
connected to
o ground in t
and PCB de
ecal.
ctions are on
nly supporte
ser_ManualC
Confidentia
95
90
85
96
91
86
79
76
73
80
77
74
92
87
81
78
75
97
93
88
9
98
94
89
Signal Pins
ent (Top Vie
ew)
ted.
the design, a
and RESER
d on Telema
atics versio
al / Release
d
15 / 6
LTE Module
L
e
EC25-AU
ser Manua
al
54
GND
D
GND
D
53
52
GND
D
51
GND
D
50
GND
D
ANT_
_MAIN
49
48
GND
D
144
RES
ERVED
143
RES
ERVED
47
ANT
_GNSS
46
GND
D
45
ADC
C0
44
ADC
C 1
43
RES
ERVED
42
I2C_
_SDA
41
I2C_
_SCL
40
RES
ERVED
39
RES
ERVED
38
RES
ERVED
37
RES
ERVED
RES
SERVED Pins
RVED pads 7
73~84should
d
on.
69
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