Microsoft Surface Pro (2017) was officially announced in May 2017, Device released in June 2017Mobile Network Support and BandMicrosoft Surface Pro (2017) have No, (Optional 4G LTE Model) Card Slots,Microsoft Surface Pro (2017) not support any GSM Based network providers.and there is no 3G Network Band Support,comes with network handling support with Network settings and work offline with flight Mode. Device Body Design and Display Microsoft Surface