TP-Link TL-MR3420 300Mbps 3G/4G Wireless N Router – Detailed Description

The TP-Link TL-MR3420 is a powerful and versatile 300Mbps 3G/4G wireless N router designed for homes, offices, businesses, and any environment that requires flexible internet access. It allows you to share a 3G/4G USB modem connection wirelessly or via Ethernet WAN, making it ideal for locations with unstable broadband or areas that depend heavily on mobile data networks.

Built with Wireless N technology, the router delivers speeds up to 300Mbps, providing a smooth experience for HD streaming, online gaming, video conferencing, and general browsing. Its two external 5dBi antennas enhance signal strength and ensure wider Wi-Fi coverage across rooms, reducing dead zones and maintaining stable performance throughout your space.

The TL-MR3420 includes automatic failover/fallback functionality. When the primary internet source (4G/3G USB modem or WAN) drops, the router instantly switches to the backup connection without interrupting your network—ideal for business continuity and uninterrupted home use.

This router comes with four LAN ports, enabling you to connect wired devices such as desktop PCs, smart TVs, CCTV systems, gaming consoles, or printers. Its WPA/WPA2 encryption, SPI firewall, and WPS button ensure a secure, encrypted Wi-Fi environment that protects your devices from unauthorized access.

With its intuitive setup interface and compatibility with many 3G/4G USB modems, the TL-MR3420 is extremely easy to install. You can configure bandwidth limits using QoS, manage access, set parental controls, and optimize your network to ensure efficient and safe internet use for all users.

Overall, the TP-Link TL-MR3420 is a dependable, flexible, and economical router that provides reliable internet access, whether through mobile broadband or traditional wired connections.