According to latest appearance of upcoming 10.1 inch HTC tablet codenamed as Puccini, it will be shipping from AT&T network. What it makes this Android Honeycomb tablet is an interesting slate is the fact that it features LTE radios. It has both AWS 4 and 17 bands on its board. Other expectations according to basic blue diagram are SIM card slot, dual speakers. There will be no 3D support according to what we see. HTC Puccini release date is late summer at the best guess.
Source : FCC