Access Point Interface 1 x USB 2.0, (1) MiniPCIe slot, 1 x 10/100/1000 Mbps port, 3 x Mini SIM slots, 1 x RS232, MiniPCIe slot RAM Memory 128 MB Flash Memory 16 MB FDD Frequency Range: Processor MT7621A Number of Processor Cores 2 License Level 4 Operating System RouterOS Features Antenna Gain:, Antenna Radiation Pattern:, GPS ```