Keep your AT&T Internet Air Business 5G Gateway & WiFi Extender powered up and running smoothly with this Original AC Power Adapter from MASS POWER. This essential networking accessory delivers reliable power with its versatile input range of 100-240V~, 50/60Hz, 0.8A and consistent output of 12.0V ⎓ 2.5A. The adapter features a professional black finish and comes with Barrel Connector. Specifically designed for compatibility with the AT&T Internet Air for Business 5G Gateway, this adapter ensures stable power delivery for your critical business networking needs. The model number S030-1C120250VU represents MASS POWER's commitment to providing reliable power solutions for your networking equipment. The adapter's thoughtful design includes a durable cable and connector, making it a dependable choice for both home and office environments where consistent internet connectivity is crucial.