Fiber optic network transceiver from one location to another using fiber optic technology, 60 GHz, unaffected by network interference, with a backup 46Dbi high-quality radio. Transmits over a distance of more than 8 km at 2000 Mbps. I ordered it from Amazon and only used it for a week. Ubiquiti Networks UISP Wave Long-Range Wireless Bridge, 2 Gbps (1 Gbps Duplex) Total Throughput, 512MB DDR3L Memory, 8+ km Max Range, 1x GbE RJ45 Port, IPX6 Weatherproof,