This is from the AT&T spec list for the 9700. Maybe T-Mobile gets UMA and AT&T gets HSDPA instead
* Dimensions: 4.29 x 2.36 x 0.56 inches
* Weight: 4.3 ounces
* Battery details: 1500mAh Lithium Ion for exceptional battery life
* Talk time: Up to 6 hours
* Standby time: Up to 21 days
* Technology: HSDPA/UMTS/EDGE/GPRS/GSM*
* Frequency: 850/900/1800/1900 MHz (GSM/GPRS/EDGE); 800/850/1900/2100 MHz (UMTS/HSDPA)*
* Operating System: BlackBerry Device Software v5.0
* Memory: 256-MB Flash memory
* Display: Brilliant half-VGA resolution, 480 x 360 pixel color display (2.44" diagonal)
* Powerful 624-MHz processor
* Wi-Fi: 802.11 b/g
* Full-QWERTY keyboard
* Innovative, easy-to-use optical trackpad
* aGPS
* Included 2GB SanDisk® microSDxxx8482; card (memory slot expandable up to 16-32 GB)