Modes	iDEN 800
Weight	6.1 oz   (173 g)
Dimensions	4.5" x 2.9" x 1.1"   (114 x 74 x 27.9 mm)
Form Factor	Bar Stub / Extendable Antenna
Battery	Talk: 2.9 hours max.   (175 minutes) Standby: 75 hours max.   (3.1 days) LiIon removable
Display	Type: LCD (Color) Resolution: 240 x 160 pixels Colors: 65,536 (16-bit)
Platform / OS	(proprietary)
Memory	32 MB   (internal memory available to user for storage)
FCC ID	L6ARAL11IN » (Approved Nov 17, 2004)

Follow these instructions and make this blackberry work with Boost http://wiki.howardforums.com/index.php/Boost:BoostBerry#How_to_get_the_native_Browsers_and_text_messaging_to_work

You know what they say "they do not make them like they use to" Here is a New in original box 7520 Blackberry with bluetooth. These keypads have one letter only. Newer models blackberries have keyboards with 2 letters per button. If you like the sure way to type in your letters then you know the value of one letter buttons. This unit comes complete with SIM card. Great smartphone at a great price. No refunds are given on Blackberries only product exchange
The Nextel BlackBerry 7520 combines Bluetooth-technology, Direct connect and Speakerphone all in one phone. The BlackBerry 7520 features a personal organizer and web browser, supports Nextel Online?Wireless Web and Direct Connect providing mobile professionals full wireless access to information on the go. Some of its many features include:

7520 Manual Link http://www.nextel.com/en/support/guides/phones/bb7520.shtml