description:   wd-3505b is a 802.11n compliant wireless usb adapter that provides up to 4x faster wireless speeds and 3x better wireless reception over 802.11g products while staying backward compatible with 802.11bg devices.  this wireless adapter features a sleek compact design that fits into your computer's usb port with minimal protrusion making it ideal for use when traveling or in a crowded workspace    the wd-3505b connects your desktop or notebook computer with an available usb port to your wireless network for internet access and file sharing. desktop users can easily add wireless connectivity without having to open the pc case. laptop users can easily upgrade to the latest 802.11n and get better range.  in addition, the wireless adapter supports advanced wpa/wpa2 security modes that ensure you will be able to share files and surf internet within a secured connection. the wi-fi protected setup (wps) feature enables devices to quickly establish a secure connection to an access point or wireless router,eliminating complex encryption codes.   it is designed for sharing your network wirelessly and delivering browse, email, play and work features.   features: l 300mbps wireless transmission rate l provides two methods of operation: infrastructure and ad-hoc l quick secure setup, complies with wps for worry free wireless security l supports 64/128-bit wep, complies with 128 bit wpa standard(tkip/aes), supports mic, iv expansion, shared key authentication, ieee 802.1x l supports sony psp for online game l supports windows xp/vista/win 7/win 8/linux/ mac os l seamlessly compatible with 802.11b/g/n devices l equipped with an elegant and stylish usb cradle for flexible deployment