Released for Sprint Nextel, the RIM BlackBerry 7100i is a sleek wireless device that manages to incorporate a large vibrant screen with a QWERTY-based keyboard on the BlackBerry platform. Including push-to-talk capabilities, consumers can communicate off-network in walkie-talkie fashion. Additionally, full-GPS allows turn-by-turn instructions. With excellent sound quality, dedicated Send and End phone keys, a numerical phone keypad with large keys, and speakerphone and Bluetooth support, the 7100i is a powerful business device.