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Quectel EC25 series

Quectel EC25 series
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Content
s
About the
D
Contents ..
.
Table Inde
x
Figure Ind
e
1 Introd
u
1.1.
2 Produ
c
2.1.
2.2.
2.
2
2.3.
2.4.
2.5.
3 Applic
3.1.
3.2.
3.3.
3.4.
3.5.
3.
5
3.
5
3.6.
3.
6
3.
6
3.
6
3.
6
3.7.
3.
7
3.
7
3.8.
3.9.
3.10.
s
D
ocument .
.
..................
x
................
e
x ...............
u
ction ........
Safety Inf
o
c
t Concept
General D
e
Directives
2
.1. FCC
Key Featu
Functiona
Evaluatio
n
ation Inter
f
General D
e
Pin Assig
n
Pin Descr
i
Operating
Power Sa
v
5
.1. Slee
p
3.5.1.1.
3.5.1.2.
3.5.1.3.
3.5.1.4.
5
.2. Airpl
Power Su
p
6
.1. Pow
e
6
.2. Dec
r
6
.3. Refe
6
.4. Mon
i
Turn on a
n
7
.1. Turn
7
.2. Turn
3.7.2.1.
3.7.2.2.
Reset the
USIM Car
d
USB Inter
f
EC25-A_U
s
..................
..................
..................
..................
..................
o
rmation ...
..................
e
scription .
and Stand
Statement
res ............
l Diagram ..
n
Board .....
f
ace ............
e
scription .
n
ment ........
i
ption .........
Modes ......
v
ing ...........
p
Mode ......
UART Ap
p
USB App
l
USB App
l
USB App
l
ane Mode .
p
ply ...........
e
r Supply
P
r
ease Volta
g
rence Desi
g
i
tor the Po
w
n
d off Sce
n
on Modul
e
off Modul
e
Turn off
M
Turn off
M
Module .....
d
Interface .
f
ace ...........
s
e
r
_Manua
l
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p
lication ...
.
l
ication wit
h
l
ication wit
h
l
ication wit
h
..................
.
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.
P
ins ...........
.
g
e Drop ....
.
g
n for Pow
e
w
er Supply
.
n
arios .........
.
e
Using the
e
.................
.
M
odule Usi
n
M
odule Usi
n
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l
Confidenti
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h
USB Re
m
h
USB Sus
p
h
out USB
S
.
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e
r Supply .
.
.
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PWRKEY .
.
.
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n
g the PW
R
n
g AT Com
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al / Releas
e
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m
ote Wakeu
p
end/Resu
m
S
uspend F
u
.
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R
KEY Pin ...
mand ........
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e
d 3 / 6
9
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p Function
m
e and RI
F
u
nction ......
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L
EC25-AU
9
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F
unction ...
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L
TE Modul
e
ser Manu
a
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2
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9
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9
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2
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4
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4
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4
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2
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2
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4
e
a
l
2
3
5
6
7
7
9
9
0
0
0
2
3
4
4
4
6
1
2
2
2
3
3
4
5
5
5
6
7
8
8
8
0
0
0
0
2
4

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