The TP-Link Archer MR402 is a dual-band wireless router that lets you access the internet via 4G LTE, making it a practical choice for homes or offices where traditional broadband is unavailable. By inserting a nano SIM card, you can achieve download speeds up to 150 Mbps and upload speeds up to 50 Mbps. The device supports AC1200 Wi-Fi, delivering 867 Mbps on the 5 GHz band and 300 Mbps on the 2.4 GHz band, which allows you to connect up to 64 devices simultaneously. This black router features two detachable external antennas to help stabilize the cellular signal and includes four 10/100Mbps ports, with one serving as a flexible LAN/WAN option. It integrates OneMesh technology, enabling you to create a unified network with compatible extenders to eliminate dead zones. For management, you can use the Tether app or a web interface to set up parental controls, a guest network, and QoS settings to prioritize specific traffic. Security is handled through an SPI and DoS firewall, along with IP/MAC binding and domain filtering. The unit is compact, measuring 174 x 124.5 x 33.5 mm, and supports various VPN protocols like OpenVPN and PPTP. It comes with a power adapter and an Ethernet cable, providing a straightforward setup for anyone needing a reliable mobile data gateway.