Telit LE910 V2 Series AT Commands
80446ST10707A Rev. 0– 2015-11-03
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 18 of 509
Mod. 0808 2011-07 Rev.2
AT COMMANDS
The Telit wireless module family can be controlled via the serial interface using the standard AT
commands
1
. The Telit wireless module family is compliant with:
1. Hayes standard AT command set, in order to maintain the compatibility with existing SW
programs.
2. 3GPP TS 27.007 specific AT command and GPRS specific commands.
3. 3GPP TS 27.005 specific AT commands for SMS (Short Message Service) and CBS (Cell
Broadcast Service)
Moreover Telit wireless module family supports also Telit proprietary AT commands for special
purposes.
The following is a description of how to use the AT commands with the Telit wireless module
family.
3.1. Definitions
The following syntactical definitions apply:
<CR> Carriage return character, is the command line and result code terminator character,
which value, in decimal ASCII between 0 and 255,is specified within parameter S3. The
default value is 13.
<LF> Linefeed character, is the character recognised as line feed character. Its value, in
decimal ASCII between 0 and 255, is specified within parameter S4. The default value is
10. The line feed character is output after carriage return character if verbose result codes
are used (V1 option used ) otherwise, if numeric format result codes are used (V0 option
used) it will not appear in the result codes.
<...> Name enclosed in angle brackets is a syntactical element. They do not appear in the
command line.
[...] Optional subparameter of a command or an optional part of TA information response is
enclosed in square brackets. Brackets themselves do not appear in the command line.
When subparameter is not given in AT commands which have a Read command, new
value equals to its previous value. In AT commands which do not store the values of any
of their subparameters, and so have not a Read command, which are called action type
commands, action should be done on the basis of the recommended default setting of the
subparameter.
1
The AT is an ATTENTION command and is used as a prefix to other parameters in a string. The AT command combined
with other parameters can be set up in the communications package or typed in manually as a command line
instruction.combined with other parameters can be set up in the communications package or typed in manually as a
command line instruction.
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