HP Pro 8 Tablet 4G was officially announced in September 2017, Device released in September 2017Mobile Network Support and BandHP Pro 8 Tablet 4G have Micro-SIM Card Slots,HP Pro 8 Tablet 4G not support any GSM Based network providers.and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100,HP Pro 8 Tablet 4G also support LTE based 4G Networks Support at Frequency level LTE 1800,LTE 850,LTE 2300,comes with network handling support with Network settings and work