Netgear AirCard 4G LTE Signal Boosting Cradle with Ethernet - Retail Packaging - Black Boost LTE 4G & 3G signals for increased speeds & performance Gigabit Ethernet port adds router functionality Allows Wired WAN to Wireless WAN failover when used with a supported router No setup -- Simply dock your AirCard mobile hotspot Compatible with AT&T Unite, AT&T Unite Pro, Sprint Zing, and NETGEAR AirCard 785 Unlocked