Product code D53G-5HacD2HnD-TC&FG621-EA CPU Quad-Core IPQ-4019 716 MHz CPU architecture ARM 32bit Size of RAM 256 MB RAM type DDR3L Storage 16 MB, Flash Number of 1G Ethernet ports 5 USB port 1 (2.0 type A) Switch chip model IPQ-4019 Wireless interface model IPQ-4019 (2.4 GHz), IPQ-4019 (5 GHz) Wireless 2.4 GHz 802.11b/g/n dual-chain, 5 GHz 802.11a/n/ac dual-chain Antenna gain 2.4 GHz - 2 dBi, 5 GHz - 4 dBi LTE category 6 (300Mbit/s Downlink, 50Mbit/s Uplink) LTE modem FG621-EA TAC 86335904 MIMO DL 2x2 LTE FDD bands 1 (2100MHz) / 3 (1800MHz) / 5 (850MHz) / 7 (2600MHz) / 8 (900 MHz) / 20 (800MHz) / 28 (700MHz) Suitable for the EMEA/APAC/Australia regions. 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) Dimensions 240 x 156 x 44 mm Operating system RouterOS v7, License level 4 Operating temperature -40°C to +70°C Number of DC inputs 1 DC jack input Voltage 12-28 V Power adapter nominal voltage 24 V Power adapter nominal current 1.2 A Max power consumption without attachments 15 W Max power consumption 21 W.