FCC just passed a new LG phone with code LG BEJC 729, compatible with 3G/4G T-Mobile bands. As you remember, T-Mo is planing to launch a new LG android device called, Optimus II aka Gelato. Probably this is going to T-Mobile version of the new Optimus II, a replacement of the mid range Optimus T.
The new LG 4G phone will feature Quandband GSM/EDGE, 1700/2100 HSPA, Bluetooth, WiFi, GPS, camera still unknown.
Stay tuned for more information.