AV-NX-2-KIT Akuvox Ethernet to 2 wire converter POE with In Kit

The Akuvox AV-NX-2-Kit is an Ethernet to 2-Wire Adaptor Kit.  Being an IP network adaptor that provides a convenient way to upgrade old analog intercom systems, with no need for rewiring. Its super long transmission distance & good compatibility with existing lines make it fit for most of the old buildings whether residential or commercial.