Our Passive Power Over Ethernet Kit is a low cost solution designed for use with all network devices that operate with a supply voltage of up to 57 Volts DC. The simple adapter cables allow both power and data to be transmitted over a single network cable. It uses the unused data pairs to inject power over a single network cable. This kit is perfect for use with IP cameras, access points hubs and switches. Simply connect the power supply provided with your device to the injector cable and connect the splitter to your device. Note:This passive POE adapter kit is intended for a point to point connection between the connected device and an active network connection. It must not be directly connected or routed through any network switches or routers. Operating distances may vary depending on the cable type used and the power requirements of the connected device. Package Contents: PoE Injector PoE Splitter