Samsung Galaxy Tab S 8.4 WiFi SM-T700 was officially announced in June 2014 , Device released in July 2014 Samsung Galaxy Tab S 8.4 WiFi SM-T700 made under Galaxy Series.Mobile Network Support and BandSamsung Galaxy Tab S 8.4 WiFi SM-T700 have No Card Slots, Samsung Galaxy Tab S 8.4 WiFi SM-T700 not support any GSM Based network providers. and there is no 3G Network Band Support, there is no flight mode support.