The amount of dual-band products (you know, those that support both 2.4GHz and 5GHz bands) is slowly growing, but already a pair of companies are thinking about the next big thing: tri-band. Atheros and Wilocity have both been eying that 60GHz stuff that the WiGig Alliance is pushing around these days, and now they're announcing a collaboration to "build tri-band wireless solutions that combine the ubiquity and coverage of WiFi with the multi-gigabit performance of the Wireles
