By using RF technology, this kit can extend the transmission distance of power & Ethernet signal up to 300m over coax cable. The PoE power and signal from PoE switch or PoE injector is fed into the Powered Sourcing Equipment (PSE), Host Unit, and transmitted over coax cable. The Powered Device (PD), Device Unit, receives the signal & power from coax cable & converts it back to a PoE interface. This solution allows users to provide 300m PoE link with a simple, reliable & cost-effective method.