The Genuine 48W AT&T Gateways AC DC Adapter is a power supply unit designed specifically for AT&T products. With an output current of 4A and a model number of EPS48R1-36, this adapter is an OEM item manufactured in Vietnam. It does not contain any chemicals or materials specified in the California Prop 65 list, making it safe for use in various electronic devices. This adapter provides reliable power supply for your AT&T gateways and other compatible devices.