Is the unlocked HTC Nexus One can be used on AT&T?
Look here, According to engadget, the new HTC Nexus One blessed by the FCC with T-Mobile and AT&T 3G data, we also heard it has other name as “NEXUSONE”, FCC as model number PB99100 built by HTC. If you are waiting for the Nexus One Google Phone, this handset is best! as the rumored said if this device is sold unlocked, it can be used on AT&T, In other words, this 3G phone is capable of both 2MBps up and 7.2Mbps down for both the T-Mobile and AT&T networks in the US of A.
The new AT&T’s HTC Nexus One including microSD expansion, 802.11b/g WiFi, and Bluetooth 2.1 + EDR. But the real news comes from looking at the radios: quad-band GSM/GPRS/EDGE with UMTS/HSUPA on 850/1700/1900 frequencies.




