4K HDMI over HDBaseT Receiver W/ RS232 - PureLink AV
4K 60 Hz 4x4 HDMI Matrix Switch with RS232 Control
Amazon.com: Wekuant 4K HDMI/RS232 Over Fiber Optic Converters,with Two 10G SFP transceiver,LC Singlemode Single Fiber up to 10Km, Multimode 500m- A Pair. : Electronics
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
HDMI Switch 16 Port 4K 60Hz Auto Switch With RS232/LAN-TESmart
1080P HDMI KVM & USB, RS232 , IR, Audio over IP Extender | SC&T
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
HDMI® HDBaseT + RS232 and IR over Cat Extender Box Scaling Receiver - 4K 60Hz | HDBaseT Extenders | HDBaseT | Audio Video
Amazon.com: Wekuant 4K HDMI/RS232 Over Fiber Optic Converters,with Two 10G SFP transceiver,LC Singlemode Single Fiber up to 10Km, Multimode 500m- A Pair. : Electronics