DoorBird’s powerful and compact 2-Wire Ethernet & PoE Converter transmits network data and Power over Ethernet over just 2 conductors.
DoorBird™ 2-Wire Ethernet & PoE Converter
DoorBird’s powerful and compact 2-Wire Ethernet & PoE Converter transmits network data and Power over Ethernet over just 2 conductors.  The DoorBird 2-wire converter is a perfect solution for retrofit’s, renovations, and any project for which running new cable is not an option.  The A1071 comes as a kit which includes a sender unit and a receiver unit.  
Features
Transmits network and PoE over any 2 conductor wire
Works with any PoE switch or injector 802.3 af/at, Mode-A
60 Mbps
Durable metal housing
Includes both sender and receiver units 
262 foot range