The Rosewill RNX-N600UB is designed to connect a desktop to a wireless network and provides blazing fast access to your network and high-speed Internet connection. It's compatible with 802.11a/b/g/n devices and provides wireless transfer speeds of up to 2.4GHz 300Mbps or 5.0GHz 300Mbps, providing improved performance for online gaming, HD video streaming, VoIP phone calling, and much more. 802.11N technology ensures a strong stable wireless connection that allows you to enjoy the wireless freedom around your home hassle-free.