QVS HDMI Male to VGA Male Converter Cable 3 ft. – Black – ASA College: Florida
Amazon.com: Mini 4K HDMI Fiber Extender - HDMI to Fiber Converter, 4K HDMI Video Optical Transceiver Up to 20km Over Single-Mode Fiber with External Stereo Audio and RS232 : Electronics
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4x1 Switcher for HDMI with RS232 | Gefen
Pro AV/IT HDBaseT™ 4K60 18G HDMI Extender Kit with Audio, RS232, IR, PoC up to 492ft
VGA to HDMI® Adapter Converter | Adapters and Couplers | Audio Video
us seller NEW HDMI TO DB9 SERIAL VGA RS232 9-PIN ADAPTER CABLE LEAD. Getwiredusa | eBay
Amazon.com: TESmart 8 Port HDMI KVM Switch 4K @ 30Hz with Standard USB 2.0, IR Remote Control | RS232 | LAN Port | Auto-Scan, etc with Rack Mount 4 Pcs 5ft/1.5m KVM Cable : Electronics
8 Port HDMI Switch 4K Rackmount,RS232/LAN, HDCP-TESmart
Tripp Lite HDMI + IR + Serial RS232 over Cat5 Cat6 Active Video Extender TAA GSA - video/audio/infrared/serial extender - B126-1A1SR - Audio & Video Cables - CDW.com
Dual 4K HDMI® HDBaseT + VGA, 3.5mm, and RS232 over Cat Switching Extender Box Transmitter to Ultra-Slim Box Receiver - 4K 60Hz | HDBaseT Extenders | HDBaseT | Audio Video
4K HDMI Matrix switch 8X8,HDCP HDR RS232/LAN Control TESmart
UHD 4K 115 ft (35M) / HDMI 1080p 196 ft (60M) over CAT5e/6/7 5V Non-PoC Receiver w/ 1-Way IR Return & RS-232 | A-NeuVideo, Inc.
HDMI over Cat5e Video Extender w/ RS232 - HDMI® Extenders | StarTech.com
Amazon.com: 4-Channel HDMI Video Multiplexer with Audio Support + RS232 RS485 Distant Control : Electronics
4K 60Hz 4:4:4 HDMI & IR/RS232 CATx Extender
HDMI/RS232 Extender Kit, HDBT, 4K/60 - Muxlab
Hdmi Switch Switcher Ir | Hdmi Multi Output Switch | Hdmi 2x1 Multi Viewer - 2x1 - Aliexpress
5-Play HDBaseT™ PoH up to 330 ft (100M) (Single LAN, 2-Way IR, RS-232, HDMI) - TRANSMITTER | ShinybowUSA
HDMI Over IP RS232/IP Control Box for DigitalinxIP 2000 & 5000 series products - Pro AV Warehouse