Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 218 / 231
20
+CCWA:
<number>,<type>,<class>[,<al
pha>]
Call waiting indication
AT+CCWA=1,1
21
+CSSI: <code1>
Shows the +CSSI intermediate result
code presentation status to the TE
AT+CSSN=1
22
+CSSU: <code2>
Shows the +CSSU unsolicited result
code presentation status to the TE
AT+CSSN=<n>,1
23
+CUSD:
<status>[,<rspstr>,[<dcs>]]
USSD response from the network, or
a network initiated operation
AT+CUSD=1
24
RDY
ME initialization is successful
N/A
25
+CFUN: 1
All function of the ME is available
N/A
26
+CPIN: <state>
SIM card pin state
N/A
27
+QIND: SMS DONE
SMS initialization finished
N/A
28
+QIND: PB DONE
Phonebook initialization finished
N/A
29
POWERED DOWN
Module power down
AT+QPOWD
30
+CGEV: REJECT
<PDP_type>, <PDP_addr>
A network request for PDP activation,
and was automatically rejected.
AT+CGEREP=2,1
31
+CGEV: NW REACT
<PDP_type>, <PDP_addr>,
[<cid>]
The network request PDP
reactivation
AT+CGEREP=2,1
32
+CGEV: NW DEACT
<PDP_type>, <PDP_addr>,
[<cid>]
The network has forced a context
deactivation
AT+CGEREP=2,1
33
+CGEV: ME DEACT
<PDP_type>, <PDP_addr>,
[<cid>]
The ME has forced a context
deactivation.
AT+CGEREP=2,1
34
+CGEV: NW DETACH
The network has forced a Packet
Domain detach.
AT+CGEREP=2,1
35
+CGEV: ME DETACH
The mobile equipment has forced a
Packet Domain detach.
AT+CGEREP=2,1
36
+CGEV: NW CLASS <class>
The network has forced a change of
MS class.
AT+CGEREP=2,1
37
+CGEV: ME CLASS <class>
The mobile equipment has forced a
change of MS class.
AT+CGEREP=2,1

Quectel EC25 Specifications

General

Category	LTE Module
LTE TDD	B38/B40/B41
WCDMA	B1/B5/B8
GSM	850/900/1800/1900 MHz
Data rates	LTE Cat 4: 150 Mbps DL/50 Mbps UL
GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature	-40°C to +85°C
Form Factor	LCC
Storage Temperature	-45°C to +90°C
SIM Interface	1.8V/3.0V
Antenna Interface	Main, Diversity, GNSS
LTE FDD	B1/B3/B5/B7/B8/B20
Interfaces	USB 2.0, UART, PCM, GPIO
Operating Voltage	3.3V - 4.3V
Protocols	TCP/IP, UDP, FTP, HTTP, HTTPS
Certifications	CE, FCC, PTCRB, GCF, RCM, IC