Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 4 2012.12.10
V1.06 3.2.42 AT+CMUX
4.2.6 AT+CMGW
4.2.17 AT+CMGS="><index>"
6.2.5 AT+CALA
6.2.16 AT+CLDTMF
6.2.20 AT+CBAND
6.2.40 AT+EXUNSOL
6.2.49 AT+SVR
6.2.51 AT+CEMNL
6.2.60 AT+CNETSCAN
6.2.61 AT+CSGS
8.2.6 AT+CIPCLOSE
8.2.23 AT+CIPCCFG
8.2.26 AT+CIPRXGET
8.2.30 AT+CIPRDTIMER
10.2.8 AT+ HTTPSTATUS
11.2.11 AT+FTPGETPATH
11.2.13 AT+FTPPUTPATH
11.2.21 AT+FTPMKD
11.2.22 AT+FTPRMD
11.2.23 AT+FTPLIST
13.7 SMS Commands
13.9AT+CNETSCAN Command
Changed the scope of parameter <T1> to 1-254.
Added optional parameter <stat>.
Added new function AT+CMGS="><index>".
Added description of URC “+CALV”.
Added one parameter
Added “GSM850_MODE” of parameter
<op_band>.
Added parameter value “UR” of
“AT+EXUNSOL” command.
Added description of parameter value “17”
Modified “AT+CEMNL?” read command.
Added new command
Added new command
Modified the parameter <n> to be optional.
AT+CIPCLOSE=[<n>]
Added three parameters
Added description
Added new command
Added new command
Extended the maximum length of
FTPGETPATH and FTPPUTPATH to 256 bytes
Added new command
Added new command
Added new command
Modified the example of sending SMS using
Chinese characters.
Added CNETSCAN sample.
1.07 3.2.57 AT+CUSD
6.2.21 AT+CHF
6.2.62 AT+SKPD command
12.3 Summary of Unsolicited
Result Codes
Added URC description
Added URC description
Added new command
Added URC chapter