Panasonic Lumix CM1 Smart Camera was officially announced in September 2014, Device released in December 2014Mobile Network Support and BandPanasonic Lumix CM1 Smart Camera have Yes Card Slots,Panasonic Lumix CM1 Smart Camera support all GSM Based network providers. Panasonic Lumix CM1 Smart Camera mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100,Panasonic Lumix CM1 Smart Camera also