Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 3 12/24/2010
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
Add new command
Add new command
Add new command
Add new command
Add new command
Add new command
Add new command
V1.02 3.2.16 AT+CLCC
3.2.30 AT+CR
Add write command
Add parameter GPRS
V1.03 6.2.47 AT+SPWM
6.2.48 AT+ECHO
6.2.50 AT+GSMBUSY
8.2.26 AT+CIPRXGET
8.2.27 AT+CIPQRCLOSE
8.2.28 AT+CIPSCONT
9.2.1 AT+SAPBR
10.2.x HTTP commands
11.2.x FTP commands
Modified the command
Modified the parameter scope
Add new command
Add new command
Add new command
Add new command
Add new command
Add new commands
Add new commands