Linksys has a new tri-band range extender to eliminate WiFi dead spots

Its “tri-band” MU-MIMO technology can help avoid interference if you have a lot of devices (it connects to your router using one band, while any devices communicate with it on either another 5GHz network or 2.4GHz), while Netgear’s Spot Finder tech can help you find the optimal place to put it. The best thing, however, …