Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 33 / 231
Flow control is only applicable for data mode.
Example
AT+IFC=2,2 //Open the hardware flow control
OK
AT+IFC?
+IFC: 2,2
OK
3.4. AT+ICF Set TE-TA Control Character Framing
The command determines the serial interface character framing format and parity received by TA from TE.
Parameter
AT+ICF Set TE-TA Control Character Framing
Test Command
AT+ICF=?
Response
+ICF: (list of supported <format>s),(list of supported
<parity>s)
OK
Read Command
AT+ICF?
Response
+ICF: <format>,<parity>
OK
Write Command
AT+ICF=[<format>,[<parity>]]
Response
This parameter setting determines the serial interface
character framing format and parity received by TA from TE.
OK
Maximum Response Time
300ms
Reference
V.25ter
<format> 3 8 data 0 parity 1 stop
<parity> 0 Odd
1 Even
NOTE

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