The TP-Link TL-ER604W is a wireless router designed for small and medium-sized businesses. It features four Gigabit LAN ports, one Gigabit WAN port, and dual-band 802.11n wireless connectivity. The router supports up to 120 simultaneous client connections and has a built-in firewall with multiple security features such as IPsec, PPTP, L2TP, and SSL VPN. It also has a guest network feature, bandwidth control, and supports multiple SSIDs. The TL-ER604W is easy to set up and manage via a web-based interface or the TP-Link Omada app.

The TL-ER604W is a router manufactured by the company TP-Link 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 , 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.