How To Implement An App That Can Transmit and Search for A Designated Frequency (That The Antenna Can Support)

Question

I\'m trying to find a way (or find out whether it\'s possible) to create an android app that can control transmissions on a cellphone\'s aerial and get it to transmit a desired

Answer 1

I'm trying to find a way (or find out whether it's possible) to create an android app that can control transmissions on a cellphone's aerial and get it to transmit a desired frequency within the limitations of that particular phone

No. It is possible that you could find some Android-powered software-defined radio (SDR) device, which might have an API that you could use. Or, perhaps there is a SDR accessory that you could use in conjunction with a regular Android device. Otherwise, this is not possible from a hardware standpoint, let alone software.