Amazon.com: J-Tech Digital 4K HDBaseT HDMI Extender Over Cat5e/6 Ethernet up to 230ft (1080P) 130ft (4K), Supports HDCP 2.2/1.4, RS232, Bi-Directional IR and PoC : Electronics
4K KVM HDMI HDBaseT Extender Over CAT6/CAT7 Cable Up To 400 Ft (UHD-EXB400-KVM) | eBay
HDBaseT HDMI Extender 4K@60HZ 4:2:0 w/ PoC - J-Tech Digital
HDMI® HDBaseT + 3.5mm, USB-B to A, and RS232 over Cat Extender Box Transmitter to Box Receiver - 4K 60Hz | HDBaseT Extenders | HDBaseT | Audio Video
Pro AV/IT HDBaseT™ 4K60 18G HDMI Extender Kit with USB, Audio, LAN, RS232 up to 330ft