Product specifications Details Product code RB912R-2nD-LTm&R11e-4G 10/100 Ethernet ports 1 Antenna gain dBi for 2.4 GHz 1.5 Antenna header count 1 Architecture MIPSBE CPU QCA9531 CPU core count 1 CPU nominal frequency 650 MHz DC jack input Voltage 8-30 V Dimensions 139 x 77 x 28,5 mm LTE Category 4 (150Mbps Downlink, 50Mbps Uplink) LTE FDD bands 3 (1800MHz) / 7 (2600MHz) / 20 (800MHz) / 31 (450MHz) LTE TDD bands 41n (2500MHz) / 42 (3500MHz) / 43 (3700MHz) License level 4 Max USB current (A) 1 Max power consumption 9 W MicroUSB input Voltage 5-5 V MiniPCI-e slots 1 Mode button Yes Number of DC inputs 3 (DC jack, PoE-IN, MicroUSB) Number of SIM slots 2 Modem (Mini SIM) Number of USB ports 1 Operating System RouterOS PoE in 802.3af/at PoE in input Voltage 12-57 V Serial port RS232 Size of RAM 64 MB Storage size 16 MB Storage type FLASH Tested ambient temperature -40°C to 70°C USB Power Reset Yes USB slot type microUSB type AB Wi-Fi generation 4 Wireless 2.4 GHz Max data rate 300 Mbit/s Wireless 2.4 GHz chip model QCA9531 Wireless 2.4 GHz number of chains 2 Wireless 2.4 GHz standards 802.11b/g/n Suggested price $139 Wireless specifications 2.4 GHz Transmit (dBm) Receive Sensitivity 1MBit/s 22 -96 11MBit/s 22 -89 6MBit/s 20 -93 54MBit/s 18 -74 MCS0 20 -93 MCS7 16 -71