The WiFi AT&T AirTies Smart Mesh Extender Model Air 4920 is a white dual-band extender with a maximum LAN data rate of 1000 Mbps and two Ethernet ports. It is designed to boost WiFi coverage and connectivity in homes and offices. The extender is compatible with various cellular network technologies and offers wireless connectivity through multiple frequency bands, including 2.4 GHz and 5 GHz. The compact design, along with its maximum wireless data rate of 1000 Mbps, makes it an ideal choice for improving network strength and coverage.