Cat Caterpillar T20 Tablet was officially announced in September 2017, Device released in November 2017Mobile Network Support and BandCat Caterpillar T20 Tablet have Yes Card Slots,Cat Caterpillar T20 Tablet support all GSM Based network providers. Cat Caterpillar T20 Tablet mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 850,HSDPA 900,HSDPA 1900,HSDPA 2100,Cat Caterpillar T20 Tablet also support