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USIM Inte
erface
Audio Fea
atures
PCM Inter
rface
USB Interf
face
UART Inte
erface
Rx-diversi
ty
GNSS Fea
atures
AT Comm
mands
Network In
ndication
Antenna In
nterface
Physical C
Characteristi
ics
Temperatu
ure Range
Firmware
Upgrade
RoHS
EC25-A_Us
E
All manuals and user guides at all-guides.com
SMS
S cell broadc
cast
SMS
S storage: M
ME by default
Supp
port USIM/S
SIM card: 1.8
Supp
port one dig
ital audio int
WCD
DMA: AMR/A
AMR-WB
LTE:
AMR/AMR-
-WB
Supp
port echo ca
ancellation a
Used
d for audio f
function with
Supp
port 8-bit A-l
law, μ-lawan
Supp
port long fra
me sync an
Supp
port master
and slave m
Com
mpliant with U
USB 2.0 spe
reac
h up to 480M
Mbps
Used
d for AT co
mmand com
outp
ut, software
debug and
B Driver: W
Windows XP,
USB
Wind
dow CE 5.0/
/6.0/7.0, Linu
Main
n UART:
Used
d for AT com
mmand and
Baud
d rate reach
up to 92160
Supp
port RTS an
d CTS hard
Debu
ug UART:
Used
d for Linux c
console, log
1152
200bps baud
d rate
Supp
port LTE/WC
CDMA Rx-d
Gen8
8C-Lite of Q
Qualcomm
Proto
ocol: NMEA
A 0183
Com
mpliant with
3GPP TS
comm
mands
Two
pins includ
ding NET_M
conn
nectivity stat
tus
Inclu
uding main a
antenna (AN
GNS
SS antenna (
(ANT_GNSS
Size
: 32.0±0.15×
×29.0±0.15×
Weig
ght: approx.
4.9g
Norm
mal operatio
n:-35°C ~ +
Rest
tricted opera
ation: -40°C
Stora
age tempera
ature: -45°C
USB
B interface
All h
ardware com
mponents ar
ser_ManualC
Confidentia
t
8V, 3.0V
terface: PCM
M interface
and noise su
uppression
h external co
odec
nd 16-bit line
ear data form
mats
d short fram
me sync
mode, but mu
ust be the m
master in long
ecification (s
slave only);th
he data trans
mmunication
n, data trans
smission, G
firmware up
pgrade
, Windows V
Vista, Wind
ows 7, Win
ux 2.6 or lat
ter, Android
2.3/4.0/4.2/4
data transm
mission
00bps, 1152
200bps by d
efault
ware flow co
ontrol
output
iversity
27.007, 27
7.005 and
Quectel en
MODE and
NET_STAT
US to indic
NT_MAIN), R
Rx-diversity a
antenna (AN
S)
×2.4±0.2mm
m
75°C
~ -35°C and
d +75°C ~ +
+85°C
C ~ +90°C
re fully comp
pliant with E
EU RoHS dir
al / Release
ed
11 / 6
9
LTE Module
L
e
EC25-AU
ser Manua
al
g frame sync
c
sfer rate can
n
GNSS NMEA
A
ndows 8/8.1
,
4.4/5.0
nhanced AT
T
cate network
k
NT_DIV) and
d
rective
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