WiFi Module Form Factor Half Size Mini PCIe Card Wireless Standard Wi-Fi 5 Chipset Realtek Antenna 2 x MHF4 connectors (2T/2R) Operating Voltage DC 3.3V ± 10% Temperature Range 0 ~ 70°C (Operating) MIMO 2T x 2R Bluetooth BT 5.0 O.S Supported Windows/Linux Interface Wi-Fi: PCIe / BT: USB