The Power over Ethernet (PoE) Injector Adapters contains two pieces injector and splitter. The adapters allow for flexible positioning of a wide range of network devices - Routers Access Points IP cameras modems switches embedded computers or other network devices. Using your original power supply and standard Cat5E network cabling you can power your device up to a distance of 30 m away. The Power over Ethernet adapters are compatible with most devices available on the market. Quick easy and cost effective way of installation.