EDIMAX EW-7822UAn 300Mbps High-Gain Wireless USB Adapter 3dBi Antenna 2T2R Frequency Band: 2.4000~2.4835GHz Standards: IEEE 802.11b/g/n Security: WEP , WPA, WPA2 LEDs: Link/Activity Color: Black System Requirements: Windows XP/Vista/ 7/ 8.1/10 , MAC OS Dimensions: 15 x 15 x 155 mm Temperature: 0 ~40°C