Hypercard 3G Digital Dualsim Adapter 3G World's leading Digital Dualsim Adapter 3G Run 2 Simcards in 1 cellphone, seperate private and business Works with all popular phones from Samsung, HTC, Blackberry etc Select active sim by menu switch or shortcut Fully compatible with 3G, 3G+, UMTS, HSDPA, HSUPA, GPS