The FCC has revealed the second Sony Ericsson model with AWS 3G support which will be launched on T-Mobile later this year in the TM717as the successor to the TM506.
The TM717 is a derivative of the European T707 with the bespoke AWS 3G support along with a 2.0 megapixel camera with video recorder, Bluetooth with stereo audio support, speakerphone, QVGA internal display, MemoryStick M2 expansion slot, media player, and integrated FM radio with RDS support.
Neither T-Mobile nor Sony Ericsson have officially announced the phone at this time.