The ZyXEL 660H-61 router is a broadband router with a built-in ADSL/ADSL2/ADSL2+ modem. It supports up to 24Mbps downstream and 1Mbps upstream speeds, and has four Ethernet ports for wired connections. It also features a built-in firewall, Quality of Service (QoS) for prioritizing traffic, and supports Virtual Private Network (VPN) pass-through. The router can be managed through a web-based interface and supports remote management. It is designed for small to medium-sized homes and offices.

The 660H-61 is a router manufactured by the company ZyXEL 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 and . 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.