EasyManuals Logo

Quectel EC25 series User Manual

Quectel EC25 series
70 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #21 background imageLoading...
Page #21 background image
PCM_IN
PCM_OU
T
PCM_SY
N
PCM_CL
K
I2C Interf
a
Pin Name
I2C_SCL
I2C_SDA
RF Interf
a
Pin Name
ANT_DIV
ANT_MAI
N
ANT_GN
S
GPIO Pin
s
Pin Name
E
24
T
25
N
C 26
K
27
a
ce
Pin N
o
41
42
a
ce
Pin N
o
35
N
49
S
S 47
s
Pin
N
E
C25-A_U
s
DI
DO
IO
IO
o
. I/O
OD
OD
o
. I/O
AI
IO
AI
N
o. I/O
s
e
r
_Manual
C
PCM data i
n
PCM data
o
PCM data f
r
sync signal
.
PCM clock.
Descriptio
n
I2C serial c
l
Used for e
x
codec.
I2C serial d
Used for e
x
codec.
Descriptio
n
Diversity a
n
Main anten
n
GNSS ante
Descriptio
n
C
onfidenti
a
n
put.
o
utput.
r
ame
.
n
l
ock.
x
ternal
ata.
x
ternal
n
n
tenna.
n
a.
nna.
n
a
l / Release
V
IL
min=-0.
3
V
IL
max=0.6
V
IH
min=1.2
V
V
IH
max=2.
0
V
OL
max=0.
4
V
OH
min=1.
3
V
OL
max=0.
4
V
OH
min=1.
3
V
IL
min=-0.
3
V
IL
max=0.6
V
IH
min=1.2
V
V
IH
max=2.
0
V
OL
max=0.
4
V
OH
min=1.
3
V
IL
min=-0.
3
V
IL
max=0.6
V
IH
min=1.2
V
V
IH
max=2.
0
DC Chara
c
DC Chara
c
50ohm imp
e
50ohm imp
e
50ohm imp
e
DC Chara
c
d 20 /
6
3
V
V
V
0
V
4
5V
3
5V
4
5V
3
5V
3
V
V
V
0
V
4
5V
3
5V
3
V
V
V
0
V
c
teristics
c
teristics
e
dance.
e
dance.
e
dance.
c
teristics
L
EC25-AU
6
9
1.8V pow
e
If unused,
open.
1.8V pow
e
If unused,
open.
1.8V pow
e
In master
an output
s
slave mod
input sign
a
If unused,
open.
1.8V pow
e
In master
an output
s
slave mod
input sign
a
If unused,
open.
Commen
t
External p
resistor is
1.8V only.
keep it op
e
External p
resistor is
1.8V only.
keep it op
e
Commen
t
If unused,
open.
If unused,
open.
Commen
t
L
TE Modul
e
ser Manu
a
e
r domain.
keep it
e
r domain.
keep it
e
r domain.
mode, it is
s
ignal. In
e, it is an
a
l.
keep it
e
r domain.
mode, it is
s
ignal. In
e, it is an
a
l.
keep it
t
ull-up
required.
If unused,
e
n.
ull-up
required.
If unused,
e
n.
t
keep it
keep it
t
e
a
l

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Quectel EC25 series and is the answer not in the manual?

Quectel EC25 series Specifications

General IconGeneral
GNSSGPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature-40°C to +85°C
Storage Temperature-45°C to +90°C
Form FactorLCC
Dimensions29.0mm × 32.0mm × 2.4mm
CategoryCellular Module
LTE FDDB1/B3/B5/B7/B8/B20
LTE TDDB38/B40/B41
WCDMAB1/B5/B8
InterfacesUSB 2.0, UART, PCM, I2C
Operating Voltage3.3V to 4.3V
SIM Interface1.8V/3V
Antenna InterfaceMain and diversity antenna
CertificationsCE, FCC, PTCRB, GCF, IC, RCM
GSM850/900/1800/1900 MHz

Related product manuals