Our RJ-ECON VV is an economiser cable that carries two connections over a single port and outputs the same two connections to a different location. This is the perfect solution to adding extra ports to your wall sockets. The VV stands for voice compatibility so it can be used for voice networks. Specification: Allows two CAT5e connections to share one CAT5e port. 21cm lead. unshielded. For Voice applications Full copper cable