Product code LHGGR&FG621-EA CPU Dual-core 88F3720 800 MHz CPU architecture ARM 64bit Size of RAM 256 MB RAM type DDR3L Storage 16 MB, Flash Number of 1G Ethernet ports 1 MiniPCIe slots 1 SIM slots 1 Micro SIM LTE modem R11eL-FG621-EA TAC 86335904 LTE Category 6 (300Mbit/s Downlink, 50Mbit/s Uplink) MIMO DL 2x2 MIMO UL 1x1 LTE FDD bands 1 (2100 MHz) / 3 (1800 MHz) / 5 (850 MHz) / 7 (2600 MHz) / 8 (900 MHz) / 20 (800 MHz) / 28 (700 MHz) LTE TDD bands 38 (2600MHz) / 40 (2300MHz) / 41 (2500MHz) 3G Category R8 (42.2Mbps Downlink, 11.2Mbps Uplink) 3G bands 1 (2100MHz) / 3 (1800MHz) / 5 (850MHz) / 8 (900MHz) RF connector type uUFL Antenna gain 17 dBi Dimensions 391 x 391 x 227 mm Operating system RouterOS v7 only, License level 3 Operating temperature -40°C to +70°C Specifications PoE-In 802.3af/at Supported input Voltage 12-57 V Max current at Min voltage 0.589 A Max current at Max voltage 0.143 A Power adapter nominal voltage 24 V Power adapter nominal current 0.8 A Max power consumption without attachments 8 W Max power consumption 8 W.