RIM Blackberry Curve 8320, Unlocked 2G GSM, 30 Day 2G: GSM Quad-Band 850 / 900 / 1800 / 1900 Full Physical QWERTY keyboard + Trackball BlackBerry OS, 32-bit Intel XScale PXA272 312 MHz Processor 2 Megapixel Camera (1600 x 1200 pixels) w/ LED Flash Internal Memory: 64 MB ROM + microSD Slot Expandable up to 4GB