Specifications: Product code D53G-5HacD2HnD-TC&RG520F-EU CPU Quad-core IPQ-4019 448-896 (auto) MHz CPU Architecture ARM 32bit Size of RAM 256 MB Storage 16 MB flash 1G Ethernet ports 5 Micro SIM slots 1 USB port 1 USB 2.0 port type A M.2 slot 1 Switch chip model IPQ-4019 Wireless 2.4 GHz 802.11a/b/g/n dual-chain, 5 GHz 802.11a/n/ac dual-chain Wireless antenna max gain 2.4 GHz (3 dBi), 5 GHz (5.5 dBi) LTE modem R11mL-RG520F LTE category 20 (2.0 Gbps downlink, 200 Mbps uplink) 5G SA Sub-6 4.0 Gbps (DL)/ 900 Mbps (UL) NSA Sub-6 4.0 Gbps (DL)/ 550 Mbps (UL) TAC 86945405 5G SA FDD bands 1 (2100 MHz) / 3 (1800 MHz) / 5 (850 MHz) / 7 (2600 MHz) / 8 (900 MHz) / 20 (800 MHz) / 28 (700 MHz) 5G SA FTDD bands 38 (2600 MHz) / 40 (2300 MHz) / 41 (2500 MHz) / 75 (1500 MHz) / 76 (1500 MHz) / 77 (3700 MHz) / 78 (3500 MHz) 5G NSA FDD bands 1 (2100 MHz) / 3 (1800 MHz) / 5 (850 MHz) / 7 (2600 MHz) / 8 (900 MHz) / 20 (800 MHz) / 28 (700 MHz) 5G NSA TDD bands 38 (2600 MHz) / 40 (2300 MHz) / 41 (2500 MHz) / 75 (1500 MHz) / 76 (1500 MHz) / 77 (3700 MHz) / 78 (3500 MHz) LTE FDD bands 1 (2100 MHz) / 3 (1800 MHz) / 5 (850 MHz) / 7 (2600 MHz) / 8 (900 MHz) / 20 (800 MHz) / 28 (700 MHz) / 32 (1500 MHz) LTE TDD bands 38 (2600MHz) / 40 (2300MHz) / 41 (2500MHz) / 42 (3500MHz) / 43 (3700MHz) 3G Category R8 (42.2Mbps Downlink, 5.76Mbps Uplink) 3G bands 1 (2100MHz) / 5 (850MHz) / 8 (900MHz) Dimensions 240 x 156 x 44 mm Operating system RouterOS v7 only Operating temperature -40°C to +70°C