Quectel EC25 series User Manual

Refer t
o
3.5.1.2. US
B
If host sup
p
application.
There are t
h
 Execut
 Ensur
e
 The h
o
state.
The followi
n
 Sendin
 When
E
wake
u
3.5.1.3. US
B
If host sup
p
needed to
w
There are t
h
 Execut
 Ensur
e
 The h
o
E
o
AT comm
a
B
Applicati
o
p
orts USB s
u
h
reeprecon
d
e AT comm
a
e
the DTR is
o
st’s USB b
u
n
g figure sh
o
g data to E
C
E
C25has U
R
u
p the host.
B
Applicati
o
p
orts USB
s
w
ake up the
h
reeprecon
d
e AT comm
a
e
the DTR is
o
st’s USB b
u
E
C25-A_U
s
a
nd
A
T+QC
F
o
n with US
B
u
spend/res
u
d
itions tolet
t
a
nd
A
T+QS
C
held in hig
h
u
s, which i
s
o
ws the con
USB_
V
US
US
B
AP_R
E
Modul
e
Figure 4:
S
C
25through
R
C to repor
t
o
n with US
B
s
uspend/res
host. The f
o
d
itions to let
a
nd
A
T+QS
C
held in hig
h
u
s, which i
s
s
e
r
_Manual
C
F
G=“aprea
d
B
Remote
W
u
me and re
m
t
he module
C
LK=1 to e
h
level or ke
e
s
connecte
d
nection bet
w
V
BUS
B_DP
B
_DM
E
ADY
e
GND
S
leep Appli
c
USB will w
a
t
, the modul
e
B
Suspend
/
ume, but d
o
o
llowing par
t
the modul
e
C
LK=1 to e
h
level or ke
e
s
connecte
d
C
onfidenti
a
dy
” for det
a
W
akeup Fu
n
m
ote wakeu
p
enter into t
h
nable the sl
e
e
p it open.
d
with the
m
w
een the m
o
c
ation with
a
ke up the
m
e
will send
r
/
Resume a
n
o
es not su
p
t
will show t
e
enter into t
nable the sl
e
e
p it open.
d
with the
m
a
l / Release
a
ils.
n
ction
p
function, t
h
h
e sleep mo
e
ep mode.
m
odule’s US
o
dule and t
h
VD
US
US
GP
I
GN
USB Rem
o
m
odule.
r
emote wak
e
n
d RI Func
t
p
port remot
e
he sleep ap
he sleep m
o
e
ep mode.
m
odule’s US
d 23 /
6
h
e following
de.
B interface
,
h
e host.
D
B_DP
B_D M
I
O
Host
D
o
te Wakeu
p
e
-up signal
s
t
ion
e
wake-up f
u
plication.
o
de.
B interface
,
L
EC25-AU
6
9
part will sh
o
,
enters int
o
p
s
toUSB BU
S
u
nction, the
,
enters int
o
L
TE Modul
e
ser Manu
a
o
w the slee
p
o
suspende
d
S
so as to
RI signal i
s
o
suspende
d
e
a
l
p
d
s
d

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