Router Wifi 300Mbps 3G 4G Modem Wifi 4G Cat6 NL678-ESlot Scheda SIM OS 4 * LAN
NL678-E 4G cat6 modem. Can i attach my own 4G antennas if i buy 4G version?. 3G UMTS band: 850/900/1800/2100MHz. 4G FDD Band: B1/3/5/7/8/20/28. 4G TDD Band: B32/38/40/41. Yes, your phone sim card is ok and the size is 15 X 25 mm.