us seller NEW HDMI TO DB9 SERIAL VGA RS232 9-PIN ADAPTER CABLE LEAD. Getwiredusa | eBay
Avenview 4x1 HDMI Switcher with IR and RS232 Control SW-HDM-4X1
4K HDR HDMI HDBaseT Extender Over Single Cat5e/6 with RS-232 & IR - 100m
HDMI over Cat5e Video Extender w/ RS232 - HDMI® Extenders | Audio-Video Products | StarTech.com
FSR 2x1 HDMI Switcher with Auto Sensing, RS-232, DV-HSW-21CEC
Monoprice Blackbird 4K Fiber Optic HDMI Extender, 3300feet, 1000m, 4k@60Hz, IR, RS-232, HDMI 2.0 Support - Monoprice.com
4x1 HDMI Switch with IR & RS-232 Control
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
Monoprice Blackbird 4K Fiber Optic HDMI Extender, 3300feet, 1000m, 4k@60Hz, IR, RS-232, HDMI 2.0 Support - Monoprice.com
HDMI over Cat5e Video Extender w/ RS232 - HDMI® Extenders | Audio-Video Products | StarTech.com
HDMI® Ultra-Slim HDBaseT + RS232 and IR over Cat Extender Box Transmitter - 4K 60Hz | HDBaseT Extenders | HDBaseT | Audio Video
HDMI HDBaseT™ Wall Plate w/ PoH up to 330 ft (100M) (Single LAN, 2-Way IR, RS-232, HDMI) - RECEIVER | ShinybowUSA
Tripp Lite HDMI/DVI Over IP Transmitter & Receiver Extender Kit Audio/Video with RS-232 Serial and IR Control 1920 x - B160-101-HDSI - Audio & Video Cables - CDW.com
Pro AV/IT HDBaseT™ 4K60 18G HDMI Extender Kit with Audio, RS232, IR, PoC up to 492ft