Qualcomm’s Atheros unit is boasting a second win for what it has labelled Tri-Band WiFi. Its first was in May with Cisco’s Linksys and now it has lined up Netgear – the other major US WiFi equipment retailer for consumers. The Netgear Orbi tri-band system is not a combination of 2.4 GHz, 5 GHz and 60 GHz – though Qualcomm could release that soon courtesy of its Wilocity purchase – but has two 5 GHz radios working in separate channels. Orbi uses one 5 GHz channel as backhaul and sets up one access point at the home gateway and a second in the center of the living room. The two use a mesh to speak to one another. Although it…