HP Slate 7 Voice Tab was officially announced in January 2014, Device released in March 2014Mobile Network Support and BandHP Slate 7 Voice Tab have Dual Card Slots,HP Slate 7 Voice Tab support all GSM Based network providers. HP Slate 7 Voice Tab mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 2100,comes with network handling support with Network settings and work offline with flight Mode.