EC25 suppo
detections,
AT+QSIMD
The followin
Mod
If you do n
reference ci
Mo
In order to e
E
orts USIM c
whichisdisa
ET
.
ng figure sho
dule
USIM_
USIM_
USIM_
USIM_
USIM_
USIM_
not need th
ircuit for usin
odule
USI
USI
USI
USI
USI
enhance the
EC25-A_Us
card hot-plu
abled by d
ows the refe
_VDD
_GND
_RST
_CLK
_DATA
_PRESENCE
VDD
51K
Figure 17:
he USIM ca
ng a 6-pin U
M_VDD
M_GND
M_RST
M_CLK
M_DATA
Figure 18:
e reliability a
ser_ManualC
g via the US
default. For
erence desig
E
22R
22R
22R
_EXT
33pF
USIM
Reference
ard detectio
USIM card co
22R
22R
22R
33pF 33
15K
USIM_VD
Reference
nd availabili
Confidentia
SIM_PRESE
r details, re
gn of the 8-p
F 33pF 33pF
GND
M_VDD
15K
Circuit of 8
on function,
onnector is
3pF 33pF
GND
DD
Circuit of 6
ity of the US
al / Release
ENCE pin.
efer to
doc
pin USIM con
100nF
GND
F
8-Pin USIM
, keep USI
illustrated in
100nF
GND
6-Pin USIM
SIM card in y
d 33 / 6
It supports l
cument [2]
nnector.
USI
D
VCC
RST
CLK
Connector
M_PRESEN
nthe followin
USIM
VCC
RST
CLK
Connector
your applica
L
EC25-AU
69
low level an
]
about the
M Connector
IO
VP
GND
r
NCE unconn
g figure.
M Connector
IO
VPP
GND
r
ation, please
LTE Module
ser Manua
nd high leve
e command
GND
O
P
D
nected. The
O
P
D
follow the
e
al
el
d
e
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