HDMI to CAT5e Daisy Chain HD Extender Kit with RS-232 & IR
RB-4KHDMI-T 4K HDMI over fiber transmitter single strand with RS232 ch – Fosco Connect
Amazon.com: 4-Channel 1080p HD Video Multi-Viewer with Audio Support + RS232 RS485 Distant Control : Electronics
Tripp Lite HDMI A/V w RS-232 Serial, IR Control over IP Receiver 1080p 60hz - video/audio/infrared/serial extender - - B160-100-HDSI - Audio & Video Cables - CDW.com
2x2 HDMI Video Wall Controller, 1080P@60Hz HDMI DVI TV Wall Processor, 4K HDMI Video Image
Pro AV/IT HDBaseT™ 4K60 18G HDMI Extender Kit with Audio, RS232, IR, PoC up to 492ft
HDMI over Cat5 Video Extender with RS232 - HDMI® Extenders | Audio-Video Products | StarTech.com Europe
HDMI Switch 16 Port 4K 60Hz Auto Switch With RS232/LAN-TESmart
Monoprice Blackbird 4K Fiber Optic HDMI Extender, 3300feet, 1000m, 4k@60Hz, IR, RS-232, HDMI 2.0 Support - Monoprice.com
4x1 Full UHD 4K60 18Gb HDMI Switcher (YUV: 444) with auto / manual switching, ARC, IR Remote
Mini Type 1Ch HDMI Extender+1Ch Bidirectional Stereo Audio+1Ch RS232 Data over Single/Multi Mode 550M 20KM Fiber Optic Convertor - AliExpress
4K 70M HDMI Extender with RS232 Extension, HDBaseT PoC, EVBMS-M107