Research In Motion (RIM) has officially released the BlackBerry Curve 8520 for T-Mobile network. Dubbed as the BlackBerry Gemini, the smartphone features a 2-megapixel camera with video recording, a 320 x 240 resolution display, a multimedia player, WiFi, and a 1150mAh battery. The Curve 8520 also supports “out of the box Mac compatibility,” which basically means users can sync contacts, notes and calendars via the BlackBerry Desktop Software on Apple’s computers. Watch a video after the jump to get more details.