The eero 6 (M110311) 3-pack is a wireless router supporting 802.11ax (2.4 and 5GHz frequency bands), 802.11ac, 802.11n (2.4 and 5GHz frequency bands), 802.11g, 802.11b, and 802.11a.
The eero 6 (M110311) 3-pack supports 2.4 and 5GHz guest networks, and has no USB ports.
The eero 6 (M110311) 3-pack measures 3.8 inches wide by 2.4 inches high by 3.8 inches deep and it weighs 0.65lbs. It's backed by a 12 month warranty and Monday - Sunday, 6AM - 8PM PST tech support.