The Enphase Cellular Modem MTC-MAT1-B03 is a high-speed USB modem designed for home networking and connectivity. With a maximum LAN data rate of 960 Mbps, this modem offers fast and reliable internet access. It features tri-band technology, AT&T carrier compatibility, and a 5-year manufacturer warranty. The compact design, measuring 3.2 inches in length and 2.5 inches in width, makes it easy to use and set up in various locations. This modem is ideal for those looking for a reliable and efficient internet connection for their devices.