Panasonic ToughBook FZ-T1 was officially announced in June 2018, Device released in August 2018Mobile Network Support and BandPanasonic ToughBook FZ-T1 have Yes, (Optional WiFi Model) Card Slots,Panasonic ToughBook FZ-T1 support all GSM Based network providers. Panasonic ToughBook FZ-T1 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 ToughBook FZ-T1 also support LTE based