Quectel EC25 series User Manual

Table 8: R
E
Pin Name
RESET_N
The recom
m
driver or bu
t
The reset s
c
E
E
SET_N Pi
n
Pin N
o
20
m
ended cir
c
t
ton to cont
r
Figur
e
F
i
c
enario is ill
E
C25-A_U
s
n
Descripti
o
o
. Desc
r
Reset
c
uit is simila
r
ol the RES
E
Reset pulse
TBD
e
14: Refer
e
i
gure 15: R
e
ustrated int
h
s
e
r
_Manual
C
o
n
r
iption
the modul
e
r to the P
W
E
T_N.
4.
7
e
nce Circu
i
S2
e
ference C
i
h
e following
C
onfidenti
a
DC
C
e
.
V
IH
m
V
IH
m
V
IL
m
a
W
RKEY cont
r
7
K
4
i
t of RESE
T
Close to
S
TVS
i
rcuit of R
E
figure.
a
l / Release
C
haracteris
ax=2.1V
in=1.3V
a
x=0.5V
r
ol circuit.
Y
4
7K
T
_N by Usi
n
R
E
S
2
E
SET_N by
d 31 /
6
tics C
o
Y
ou can use
RESET_N
n
g Driving
C
E
SET_N
Using Butt
o
L
EC25-AU
6
9
o
mment
an open d
r
C
ircuit
o
n
L
TE Modul
e
ser Manu
a
r
ain/collecto
e
a
l
r

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