AT&T will offer a prepaid 3G service supporting Apple’s new iPad. 
- $14.99 per month for up to 250 MB of traffic
- $29.99 for unlimited data usage
- Free use of AT&T WiFi hotspots
- Service may be activated at any time using the iPad
- No contract — may cancel at any time
AT&T’s 3G HSPA network delivers up to 7.2 Mbps downstream.
All iPad 3G models are unlocked and will use GSM micro SIMs. Apple expects to announce similar deals with international carriers by June.
All iPads also include 802.11n and Bluetooth 2.1 radios.
http://www.apple.com
http://www.att.com