Quectel EC25 series User Manual

Turn on/o
f
Pin Name
PWRKEY
RESET_N
Status In
d
Pin Name
STATUS
NET_MO
D
NET_
STATUS
USB Inter
f
Pin Name
USB_VB
U
USB_DP
USB_DM
USIM Inte
Pin Name
USIM_GN
USIM_VD
D
E
f
f
Pin N
o
21
20
d
ication
Pin N
o
61
D
E 5
6
f
ace
Pin N
o
U
S 71
69
70
rface
Pin N
o
D 10
D
14
E
C25-A_U
s
o
. I/O
DI
DI
o
. I/O
OD
DO
DO
o
. I/O
PI
IO
IO
o
. I/O
PO
s
e
r
_Manual
C
Descriptio
n
Turnon/off t
module.
Reset the
m
Descriptio
n
Indicate th
e
operating s
t
Indicate th
e
network re
g
mode.
Indicate th
e
network ac
t
status.
Descriptio
n
USB detect
USB differe
bus.
USB differe
bus.
Descriptio
n
Specified g
r
USIM card.
Power sup
p
USIM card.
C
onfidenti
a
n
he
m
odule.
n
e
module
t
atus.
e
module
g
istration
e
module
t
ivity
n
ion.
ntial data
ntial data
n
r
ound for
p
ly for
a
l / Release
DC Chara
c
V
IH
max=2.1
V
IH
min=1.3
V
V
IL
max=0.5
V
IH
max=2.1
V
IH
min=1.3
V
V
IL
max=0.5
DC Chara
c
The drive c
u
should be l
e
0.9mA.
V
OH
min=1.
3
V
OL
max=0.
4
V
OH
min=1.
3
V
OL
max=0.
4
DC Chara
c
Vnorm=5.0
V
Compliant
w
2.0 standar
d
specificatio
n
Compliant
w
2.0 standar
d
specificatio
n
DC Chara
c
For 1.8V U
S
Vmax=1.9
V
Vmin=1.7V
For 3.0V U
S
d 17 /
6
c
teristics
V
V
V
V
V
V
c
teristics
u
rrent
e
ss than
3
5V
4
5V
3
5V
4
5V
c
teristics
V
w
ith USB
d
n
.
w
ith USB
d
n
.
c
teristics
S
IM:
V
S
IM:
L
EC25-AU
6
9
Commen
t
Commen
t
Require e
x
pull-up. If
u
keep it op
e
1.8V pow
e
If unused,
open.
1.8V pow
e
If unused,
open.
Commen
t
Require di
impedanc
e
Require di
impedanc
e
Commen
t
Either 1.8
V
supported
module a
u
L
TE Modul
e
ser Manu
a
t
t
x
ternal
u
nused,
e
n.
e
r domain.
keep it
e
r domain.
keep it
t
fferential
e
of 90ohm.
fferential
e
of 90ohm.
t
V
or 3V is
by the
u
tomaticall
y
.
e
a
l

Quectel EC25 series Specifications

General

GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature	-40°C to +85°C
Storage Temperature	-45°C to +90°C
Form Factor	LCC
Dimensions	29.0mm × 32.0mm × 2.4mm
Category	Cellular Module
LTE FDD	B1/B3/B5/B7/B8/B20
LTE TDD	B38/B40/B41
WCDMA	B1/B5/B8
Interfaces	USB 2.0, UART, PCM, I2C
Operating Voltage	3.3V to 4.3V
SIM Interface	1.8V/3V
Antenna Interface	Main and diversity antenna
Certifications	CE, FCC, PTCRB, GCF, IC, RCM
GSM	850/900/1800/1900 MHz