AT Commands
Formal
AT commands, developed by Dennis Hayes, are used to set data connections. The set of short string commands allows developers to set up calls with a modem, as well as perform far more complex tasks.
Practical
The set of short string commands allow developers to set up calls with a modem, as well as perform far more complex tasks. Examples of an AT command set is the Telit’s 3G module and the HE910.
