The TP-Link Archer MR400 is a versatile AC1200 dual-band 4G LTE router that provides reliable wireless connectivity through both mobile networks and traditional broadband. It offers combined WiFi speeds up to 1200Mbps across 2.4GHz and 5GHz bands for seamless streaming and browsing. Key features: • 4G LTE connectivity with fallback to 3G networks • Dual-band AC1200 WiFi (300Mbps at 2.4GHz + 867Mbps at 5GHz) • Two detachable external antennas for enhanced coverage • SIM card slot for mobile network access • Easy setup and management via Tether app • WPA/WPA2 encryption for network security The Archer MR400 comes with multiple operating modes allowing it to work as a 4G router or traditional wireless router. It features LAN ports for wired connections and supports up to 64 wireless devices simultaneously. The router includes parental controls and guest network functionality. The package contains the router unit, power adapter, Ethernet cable, and quick installation guide.