Increase your wireless reception and enjoy excellent wireless surfing with the 150Mbps Wireless-N USB Adapter. External 2dBi Antenna Provides Strong Signal Strength The adapter has an external 2dBi omni-directional antenna that delivers stronger signal penetration strength and wider wireless coverage than its standard counterparts. Specifications: Wireless Standards: IEEE 802.11n (draft), IEEE 802.11g, IEEE 802.11b Host Interface: High speed USB2.0/1.1 interface Antenna: 2dBi Operating system: XP / Vista / WIN 7/8/10 Security: Supports 64/128 bit WPA/WPA-PSK/WPA2-PSK/TKIP/AES Features: 1.No driver installation, plug and play. 2.You can surf the internet and check your email on the 2.4GHz band. 3.Designed for efficiency and performance, the mini-sized adapter is lightweight sleek and portable. Package Content: 150M Wireless-N Adapter Tips: If your product is not working，don't worry about ,contact us,we will make a replacement.(1 year warranty). If any problems, please feel free to contact us via [email protected].