WiFi Module Form Factor Half Size Mini PCIe Card Wireless Standard 802.11 ac/a/b/g/n Chipset Realtek RTL8821AE Signal Protocol WiFi: PCIe & BT: USB Differential Antenna 2 x U.FL connectors (1T/1R) Operating Voltage DC 3.3V ± 9% Dimensions (L x W x H) 29.85 x 26.65 x 1.5 mm Security 64/128-bit WEP, WPA, WPA2 MIMO 1T x1R Data Rate 433.3Mbps O.S Supported Win 7/8.x Operational Temperature 0 ~ 70°C Host Type PCIe Mini card