HDView POE Extender Repeater, Up to 328 feet, No External Power Required, Multiple Units, Daisy-Chain Installation, Plug and Play for IP Phone Camera Network Devices Business Grade POE Extender Repeater, Up to 328 feet, No external power required Combine Up To 5 PoE Extenders For Up To 1640ft PoE Cable Runs , Daisy-chain Installation Plug and Play for ip phone camera network devices Comply with 10/100BASE-TX,IEEE 802.3 af-PoE One Input + One Output 10/100Mbps PoE Ports