The Asus 4G-AC55U is a wireless router that supports 4G LTE mobile broadband connectivity, making it ideal for use in areas without wired internet access. It offers dual-band Wi-Fi with speeds of up to 1200Mbps, and features four Gigabit Ethernet ports for wired connections. The router also has a USB port for sharing files and printers, and comes with Asus AiProtection to ensure network security. The 4G-AC55U is easy to set up and manage via the Asus Router app.

The 4G-AC55U is a router manufactured by the company Asus that allows multiple devices to connect to a network and communicate with each other. It works by receiving data packets from devices and forwarding them to their intended destination. The router is assigned a unique IP address 192.168.1.1, which serves as its identifier on the network.

To access the router's settings and configure its functions, users can log in using a web browser and their admin and admin. Once logged in, users can customize various settings such as network name, password, and security protocols. They can also set up parental controls, prioritize bandwidth usage, and monitor network activity.