Quectel EC25 series User Manual

Sleep Mod
e
Power Do
w
Mode
3.5. Po
w
3.5.1. Sl
e
EC25 is abl
section des
3.5.1.1. UA
R
If host co
m
enter into t
h
 Execut
 Drive
D
The followi
n
 Driving
 When
E
about
R
 AP_R
E
E
e
In this
During
TCP/U
w
n
In this
active.
and V
B
w
er Savi
n
e
ep Mod
e
e to reduce
cribes EC2
5
R
T Applica
t
m
municates
w
h
e sleep mo
d
e AT comm
a
D
TR to high
n
g figure sh
o
host DTR t
o
E
C25 has
U
R
I behavior.
E
ADY will d
e
E
C25-A_U
s
mode, the
c
this mode,
DP data fro
mode, the
p
The serial
i
B
AT_BB) re
m
n
g
e
its current
c
5
’s power s
a
t
ion
w
ith modul
e
d
e.
a
nd
A
T+QS
C
level.
o
ws the con
AP_R
E
Module
F
o
low level
w
U
RC to rep
o
e
tect the sle
e
s
e
r
_Manual
C
c
urrent cons
the modul
e
m the netw
o
p
ower man
a
i
nterface is
n
m
ains appli
e
c
onsumptio
n
a
ving proce
d
e
via UART
C
LK=1 to e
nection bet
w
RXD
TXD
RI
DTR
E
AD
Y
GND
F
igure 3: U
A
w
ill wake u
p
o
rt, RI sign
a
e
p state of
h
C
onfidenti
a
umption of
t
e
can still
r
o
rk normall
y
a
gement uni
n
ot accessi
b
e
d.
n
to a mini
m
d
ure.
interface,
t
nable the sl
e
w
een the m
o
A
RT Sleep
p
the modul
e
a
l will wake
h
ost (can b
e
a
l / Release
t
he module
w
r
eceive pag
i
y
.
t shuts dow
b
le. Operati
n
m
um value d
u
t
he followin
g
e
ep mode.
o
dule and t
h
TX
D
RX
D
EIN
GPI
GPI
GN
D
Applicatio
n
e
.
up the hos
t
e
configured
d 22 /
6
w
ill be redu
c
i
ng messa
g
n the powe
r
n
g voltage (
u
ring the sl
e
g
preconditi
h
e host.
D
D
T
O
O
Host
D
n
t
. Refer to
C
to high lev
e
L
EC25-AU
6
9
c
ed to the
m
g
e, SMS, v
o
r
supply. So
(
connected
t
e
ep mode.
T
ons can let
C
hapter 3.
1
e
l or low lev
e
L
TE Modul
e
ser Manu
a
m
inimal level
o
ice call an
d
ftware is n
o
t
o VBAT_R
F
T
he followin
g
the modul
e
16
for detail
s
e
l detection
)
e
a
l
.
d
o
t
F
g
e
s
)
.

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