The NETGEAR AC791L 4G LTE Wi-Fi Hotspot Modem is a black, wireless device that allows users to connect to a 4G cellular network with LTE technology. It is designed by the brand NETGEAR and is specifically compatible with Verizon's network. This modem provides a reliable and fast internet connection, making it ideal for use in various settings such as on-the-go, remote locations, or areas with limited Wi-Fi access. Its compact size and wireless capabilities make it convenient and easy to set up and use.