The dual band WNDA3100 USB Wireless LAN adapter from NETGEAR has the ability to connect to both 2.4GHz and 5GHz wireless networks. It features a multicolored LED, which lights up differently depending on its status, so we will know on what type of network we are connected, without checking up the software application.

NETGEAR WNDA3100 RANGEMAX DUAL BAND Wireless N Adapter Review @ Madshrimps