The ECR-8-POE+ series enables bi-directional data transmission over existing coax cable infrastructure, supporting up to 8 ECT-1-POE+ transmitters and IP cameras. It features power over coax (POC) and supports PoE standards 802.3af and 802.3at, with easy installation and no configuration required. The system can cover distances up to 3280ft for Ethernet and 2625ft for coax, with robust environmental specifications.