Quectel EC25 series User Manual

3.3. Pin
The followi
n
Table 3: IO
Type
IO
DI
DO
PI
PO
AI
AO
OD
Table 4: Pi
n
Power Su
Pin Name
VBAT_BB
VBAT_RF
VDD_EX
T
GND
E
Descrip
t
n
g tables sh
o
Paramete
r
n
Descripti
o
pply
Pin No.
59,60
57,58
T
7
8,9,19,2
6,46,48,
~54,56,
7
85~112
E
C25-A_U
s
t
ion
o
w the EC2
r
s Definitio
n
Des
c
Bidi
r
Digi
t
Digi
t
Pow
e
Pow
e
Anal
Anal
Ope
n
o
n
I/O
PI
PI
PO
2,3
50
7
2,
s
e
r
_Manual
C
5’s pin defi
n
n
c
ription
r
ectional inp
t
al input
t
al output
e
r input
e
r output
og input
og output
n
drain
Descriptio
n
Power sup
p
module ba
s
part.
Power sup
p
module RF
Provide 1.8
V
external cir
c
Ground.
C
onfidenti
a
n
ition.
ut/output
n
D
p
ly for
s
eband
V
V
V
p
ly for
part.
V
V
V
V
for
c
uit.
V
a
l / Release
D
C Charac
t
V
max=4.3V
V
min=3.3V
V
norm=3.8
V
V
max=4.3V
V
min=3.3V
V
norm=3.8
V
V
norm=1.8
V
I
O
max=50m
d 16 /
6
t
eristics
C
V
I
p
c
V
I
p
c
t
V
A
P
e
c
L
EC25-AU
6
9
C
omment
t must be a
b
p
rovide suffi
c
urrent up t
o
t must be a
b
p
rovide suffi
c
urrent up t
o
t
ransmitting
P
ower supp
e
xternal GP
c
ircuits.
L
TE Modul
e
ser Manu
a
b
le to
cient
o
0.8A.
b
le to
cient
o
1.8A in a
burst.
ly for
IO’s pull up
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