The Coax Network Signal Blocker minimizes signal loss and provides increased performance and security for a MoCA network and isolates the coax network inside the home. Isolates coax network inside the home. Ensures the integrity of the home coax network. Provides increased performance and security. Compatible with existing and future networks such as MoCA, VoIP, and DOCSIS 3.0. Coax networking adapters and splitters are not compatible with satellite television systems.