the iphone 4 has a wlan/bluetooth radio that is also capable of fm transmitting and recieving would it be possible to activate that feature with a jailbreak app allowing people to listen to fm radio and transmit audio to other fm radios

here is a link to the chips manufacturer page: - BCM4329 - Low-Power 802.11n with Bluetooth 2.1 + EDR and FM (Tx and Rx)