This device combines a Windows Mobile 5 PDA with a quad-band GSM phone. Key features include a slide-out text keyboard, 802.11g Wi-Fi, EDGE, Bluetooth, speakerphone, and a miniSD memory card slot.

A multi-carrier GSM phone with two, three or four SIM cards. Dual-SIM phones are popular with global travelers who use local and foreign carriers as well as people who want a business and personal ...