Asus PadFone Infinity 2 was officially announced in September 2013 , Device released in October 2013 Asus PadFone Infinity 2 made under PadFone.Mobile Network Support and BandAsus PadFone Infinity 2 have Nano-SIM Card Slots, Asus PadFone Infinity 2 support all GSM Based network providers. Asus PadFone Infinity 2 mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 1900,HSDPA