Hawking Technology Hi-Gain USB Wireless-150N Window Adapter with Range Amplifier (HAWNU2) Works with Windows and Mac Operating Systems Built-in 13dBi Antenna and Power Amplifier improve your wireless performance up to 6X* Supports QoS-WMM (prioritizse data traffic for audio, video and other time sensitive applications) and WMM-PS (improves power consumption) features Plug directly into your computer using an available USB Port Supports WEP 64/128, WPA, and WPA2 Wireless security encryption