Dell's M02M Looking Glass tablet has been caught crossing the FCC, complete with UMTS/WCDMA support for both AT&T and T-Mobile USA. The filing for the M02M - which is believed to have a 7-inch display and run NVIDIA's Tegra 2 chipset - also lists WiFi b/g/n and Bluetooth 2.1+EDR.
There's also a SIM card slot and an SD card slot, both accessed via a door on the side of the Looking Glass; it's unclear at this stage whether the tablet will be able to make voice calls, like the Dell Streak or not. It also seems that the back panel is non-removable, suggesting a non-user-replaceable battery. We're expecting to see the Looking Glass launch at CES 2011 next month as the Dell Streak 7.