The eero Home Wifi (2nd Gen) (3-pack) is a wireless router supporting 802.11ac, 802.11n (2.4 and 5GHz frequency bands), 802.11g, 802.11b, and 802.11a.
The eero Home Wifi (2nd Gen) (3-pack) supports 2.4 and 5GHz guest networks, and has no USB ports.
The eero Home Wifi (2nd Gen) (3-pack) measures 3.7 inches wide by 2.37 inches high by 3.7 inches deep and it weighs 0.62lbs. It's backed by a 12 month warranty and 7 day, 7AM-5PM PST tech support.