Additional RX receiver for Lenkeng LKV383 sending unit via LAN hub . This HDbitT HDMI Extender can deliver a full HD 1080P HDMI signal up to 120m. It extends and then split by network devices, compatible with existing network, and intelligent auto adjustment to match cable length. Can add RX up to a max is 253. Requires LKV383 sender unit here and if you need a Cat hub see here.