Check the listing for details. Simplified MFG REX2.1 4K HDMI 2.1 over Category Cable Set. Condition: New. Listed at 129.99 USD. Product highlightsHDMI 1.4b audio/video signal extender system send audio and video over long distances through CAT-5e or CAT-6 Ethernet cable includes an HDMI-to-CAT-6 transmitter and a CAT-6-to-HDMI receiver supports 1080p video transmission up to 70 meters/230 feet supports 4K/30p video transmission up to 50 meters/164 feet shelf- or wall-mountable with included brackets HDMI features: HDCP 1.4 compliant supports HDR-encoded content supports a broad range of audio formats, including stereo PCM, Dolby Atmos®, and DTS:X™ HDMI "loop out" for sending signal to an additional local display near the transmitter one-way IR pass-through for relaying remote control commands Dimensions and warranty: 2-3/8"W x 11/16"H x 2-3/8"D (each) weight: 3.17 oz. (each) warranty: 3 years What's in the boxHDMI-to-Ethernet Transmitter Ethernet-to-HDMI Receiver AC power adapter (attached 4' DC cable) 2-Prong AC plug 58" IR receiver cable 58" IR blaster cable User manual About this itemWritten by Crutchfield's Archer A.Pass HDMI audio/video signals over long runs Sending audio and video signals across long distances can be a tricky thing to do. Simplified MFG's REX2.1 extender system makes it much easier. This handy package includes both a transmitter and a receiver unit, each with HDMI inputs and outputs respectively. Together, they let you pass audio/video signals through a CAT-5e/ CAT-6 Ethernet cable. for distances up to 230 feet. The transmitter and receiver support HDMI 1.4b and HDCP 1.4, meaning you're covered if you want to send 1080p and some 4K content through them.