Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 21 / 231
Parameter
Example
ATV1 //Set <value>=1
OK
AT+CSQ
+CSQ: 30,99
OK //When <value>=1, the result code is OK.
ATV0 //Set <value>=0
0
AT+CSQ
+CSQ: 30,99
0 //When <value>=0, the result code is 0.
Table 3: ATV0&ATV1 Result Codes Numeric Equivalents and Brief Description
Maximum Response Time
300ms
Reference
V.25ter
<value> 0 Information response: <text><CR><LF>
Short result code format: <numeric code><CR>
1 Information response: <CR><LF><text><CR><LF>
Long result code format: <CR><LF><verbose code><CR><LF>
ATV1
ATV0
Description
OK
0
Acknowledges execution of a command
CONNECT
1
A connection has been established; the DCE is moving
from command mode to data mode
RING
2
The DCE has detected an incoming call signal from
network
NO CARRIER
3
The connection has been terminated or the attempt to
establish a connection failed
ERROR
4
Command not recognized, command line maximum length
exceeded, parameter value invalid, or other problem with
processing the command line
NO DIALTONE
6
No dial tone detected

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