HP iPAQ Data Messenger

The iPAQ Data Messenger has a slide-out QWERTY keyboard, Windows Mobile 6.1 Professional, a 2.8 inch QVGA screen, Wi-Fi, Bluetooth and 3.1 megapixel camera. It offers 128 MB of RAM and 256 MB ROM and a microSD slot for additional memory expansion. In terms of connectivity, the phone supports quad-band GSM / GPRS / EDGE (850/900/1800/1900 MHz) and tri-band UMTS (900/1900/2100 MHz - European 3G bands).