Turn on/of
Pin Name
PWRKEY
RESET_N
Status Ind
Pin Name
STATUS
NET_MOD
NET_
STATUS
USB Interf
Pin Name
USB_VBU
USB_DP
USB_DM
USIM Inte
Pin Name
USIM_GN
USIM_VDD
E
ff
Pin
No
21
20
dication
Pin
No
61
DE 5
6
face
Pin
No
US 71
69
70
rface
Pin
No
D 10
D 14
EC25-A_Us
o. I/O
DI
DI
o. I/O
OD
DO
DO
o. I/O
PI
IO
IO
o. I/O
PO
ser_ManualC
Description
Turnon/off t
module.
Reset the m
Description
Indicate the
operating st
Indicate the
network reg
mode.
Indicate the
network act
status.
Description
USB detect
USB differe
bus.
USB differe
bus.
Description
Specified gr
USIM card.
Power supp
USIM card.
Confidentia
n
he
module.
n
e module
tatus.
e module
gistration
e module
tivity
n
ion.
ntial data
ntial data
n
round for
ply for
al / Release
DC Charac
V
IH
max=2.1
V
IH
min=1.3V
V
IL
max=0.5
V
IH
max=2.1
V
IH
min=1.3V
V
IL
max=0.5
DC Charac
The drive cu
should be le
0.9mA.
V
OH
min=1.3
V
OL
max=0.4
V
OH
min=1.3
V
OL
max=0.4
DC Charac
Vnorm=5.0V
Compliant w
2.0 standard
specification
Compliant w
2.0 standard
specification
DC Charac
For 1.8V US
Vmax=1.9V
Vmin=1.7V
For 3.0V US
d 17 / 6
cteristics
V
V
V
V
V
V
cteristics
urrent
ess than
35V
45V
35V
45V
cteristics
V
with USB
d
n.
with USB
d
n.
cteristics
SIM:
V
SIM:
L
EC25-AU
69
Comment
Comment
Require ex
pull-up. If u
keep it ope
1.8V powe
If unused,
open.
1.8V powe
If unused,
open.
Comment
Require di
impedance
Require di
impedance
Comment
Either 1.8V
supported
module au
LTE Module
ser Manua
t
t
xternal
unused,
en.
er domain.
keep it
er domain.
keep it
t
fferential
e of 90ohm.
fferential
e of 90ohm.
t
V or 3V is
by the
utomatically.
e
al
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