Pro AV/IT HDBaseT™ 4K60 18G HDMI Extender Kit with Audio, RS232, IR, PoC up to 492ft
CLEARANCE | Crestron | HD-RXC-101-C-E | DM Lite – HDMI® over CATx Receiver w/IR & RS-232, Surface Mount
Amazon.com: Kramer Hdmi, Bidirectional Rs?232 & Ir Over Hdbaset Twisted Pair Transmitter - 1 Input Device - 229.66 Ft Range - 1 X Network [rj-45] - 1 X Hdmi In - Rack-mountable : Electronics
us seller NEW HDMI TO DB9 SERIAL VGA RS232 9-PIN ADAPTER CABLE LEAD. Getwiredusa | eBay
NetworkAV™ H.264 HDMI® Transmitter over IP w/ POE & RS-232
Monoprice Blackbird 4K Fiber Optic HDMI Extender, 3300feet, 1000m, 4k@60Hz, IR, RS-232, HDMI 2.0 Support - Monoprice.com