300Mbps 3G 4G Router Wifi 4G Cat6 NL678-E Modem Slot per 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. --1 Micro SD Card Slot. 4G FDD Band: B1/3/5/7/8/20/28. 4G TDD Band: B32/38/40/41.

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