The DTK-MRJEXTS Shielded Surge Protection for PoE Extender Circuits from DITEK offers protection for PoE extender circuits. It is designed to be installed on the outputs of PoE extender devices via compatible Cat cables. This device has shielded RJ45 connectors with an external grounding screw. It is compatible with PoE+ and HiPoE for high-wattage applications. It has a typical transmission range of 328', and delivers data speeds up to 10 Gb/s without signal degradation.