[android-developers] Re: I want to know how to get the ID of the radio frequency on the Android app! !

The radio is not accessible from the Android environment because of the controls required by the Federal Communications Commission (FCC, in the USA). The radio even runs within its own execution environment. Any software that runs in that environment has to be approved by the FCC. Android programs are not allow direct access to the radio for this reason.

There is a character device interface in /dev which allows modem-like "AT" commands to be sent to the radio. Some of these commands can query the radio and get status information from it.

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