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 #38 background imageLoading...
Page #38 background image
Table 13:L
o
Paramete
r
V
IL
V
IH
V
OL
V
OH
The modul
e
equipped w
recommen
d
Please visit
Another ex
a
the circuito
f
should refe
r
line of the
m
E
o
gic Level
s
r
e
provides
ith a 3.3V U
d
ed. The foll
VDD_EXT
RI
DCD
RTS
RXD
DTR
CTS
TXD
http://www.
a
mple with
t
f
solid line.
P
r
to input so
m
odule.
E
C25-A_U
s
s
of Digital
I
Mi
n
-0.
3
1.
2
0
1.
3
1.8V UAR
T
ART interfa
c
owing figur
e
51K
0.1uF
Figure
2
ti.comfor m
o
t
ransistor tr
a
P
lease pay
a
lid line of th
s
e
r
_Manual
C
I
/O
n
.
3
2
3
5
T
interface.
c
e. A level t
r
e
shows the
VCCA
OE
A1
A2
A3
A4
A5
A6
A7
A8
2
0: Referen
c
o
re informa
t
a
nslation cir
c
a
ttention to
e module.
O
C
onfidenti
a
A level tra
r
anslator T
X
reference
d
V
Translator
c
e Circuit
w
t
ion.
c
uit is show
the directio
n
O
utput dotte
d
a
l / Release
Max.
0.6
2.0
0.45
1.8
nslato
r
sh
o
X
S0108EP
W
d
esign.
V
CC
B
GND
B1
B2
B3
B4
B5
B6
B7
B8
0.
1
w
ith Transl
a
n as below.
n
of connec
t
d
line of the
d 37 /
6
o
uld be use
W
R provided
51K
1
uF
a
to
r
Chip
Thecircuito
f
t
ion. Input
d
module sh
o
L
EC25-AU
6
9
Unit
V
V
V
V
d if your a
by Texas I
n
RI_MCU
DCD_MCU
RTS_MCU
RXD_MCU
DTR_MCU
CTS_MCU
TXD_MCU
VDD_MCU
f
dotted lin
e
d
otted line o
f
o
uld refer t
o
L
TE Modul
e
ser Manu
a
pplication i
s
n
strumen
t
i
s
e
can refer t
o
f
the modul
e
o
output soli
d
e
a
l
s
s
o
e
d

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