Features: USB3.1 to M.2 Key B Port 5G DONGLE Expansion Board Four Antennas Aluminum Alloy Case ForRaspberryPi Support 5G modules with M.2 (NGFF) B Key compatible withSIMCom andQuectel 5G modules USB 3.1 TypeA port for connecting to PC, forRaspberryPi, or forJetsonNano host board to enable high speed 5G networks Easy accessPCB board , reserved multi slotsand positioning holes for integration Comes with customized aluminum alloy heatsink, good heat dissipation, nice-looking, protective and durable Easy installation support for 3042 3052 size 5G module card Specifications: Item: USB3.1 to M.2 Key B Port 5G DONGLE Expansion Board With:Four Antennas Aluminum Alloy Case Size:As Pictures Antenna Height:approx 12.9cm/5.08in Support 3042 3052 size 5G modules Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 Set USB3.1 5G DONGLE