WiFi Module Form Factor M.2 2230 E-key Wireless Standard Wi-Fi 5 Chipset NXP Antenna 2 x MHF4 connectors (2T/2R) Operating Voltage DC 3.3V ± 10% Temperature Range -30~85 °C MIMO 2T x 2R Bluetooth BT 5.3 O.S Supported Linux OS Interface Wi-Fi: SDIO / BT: UART