DoorBird A1071 2-Wire Ethernet PoE Converter
A1071
The DoorBird 2-Wire Ethernet PoE Converter is probably the world's smallest and most powerful converter. It allows you to transfer network data (Ethernet) and power (PoE) with a simple two-wire cable over long distances. For example; existing buildings with a simple two-wire bell wire can be equipped with network technology without having to retrofit any network cables.