... Please be assured that used in the CAT5 or UTP unshielded cable.Ethernet extender,ethernet booster,network extender.1), Plug and play, mini ... with IEEE802.3 extender unitProducts character:Particular LRE(Long-Reacher Ethernet,with exclusive HIC design.Plug and play, mini sizeSpecial ... extender,10m,300m transmissio distance,built-in power source,200v,UTP cat5e. RJ45 Ethernet Extender up to 300m