Specifications

SIM900 AT Commands Set

SIM900_ATC_V1.01 3 23.06.2010

Version History

Version Chapter What is new

V1.00 New version Created on the basis of SIM900 AT Test Result

V1.01 3.2.50 AT+CALS

6.2.27 AT+CBTE

6.2.30 AT+STTONE

8.2.21 AT+CIPDPDP

8.2.25AT+CIPUDPMODE

6.2.45 AT+SGPIO

6.2.46 AT+SPWM

6.2.47 AT+ECHO

Add new command

V1.02 3.2.16 AT+CLCC

3.2.30 AT+CR

Add write command

Add parameter GPRS