Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 22 / 231
2.16. ATE Set Command Echo Mode
The command controls whether or not the module echoes characters received from TE during AT
command mode.
Parameter
2.17. A/ Repeat Previous Command Line
The command repeats previous AT command line, and “/” acts as the line terminating character.
BUSY
7
Engaged (busy) signal detected
NO ANSWER
8
“@” (Wait for Quiet Answer) dial modifier was used, but
remote ringing followed by five seconds of silence was not
detected before expiration of the connection timer (S7)
ATE Set Command Echo Mode
Execution Command
ATE<value>
Response
This setting determines whether or not the TA echoes
characters received from TE during command state.
OK
Maximum Response Time
300ms
Reference
V.25ter
<value> 0 Echo mode OFF
1 Echo mode ON
A/ Repeat Previous Command Line
Execution Command
A/
Response
Repeat the previous command
Reference
V.25ter

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