4K HDMI Extender over Single Coax Cable with Bi-directional IR - Vanco International
PROZOR Digital Audio Extender Coax Optical Ethernet Over Cat5e/6 (Poc) Up to 500ft 150M Audio Over Ethernet Adapter Support Dolby DTS 5.1 PCM For Sound Engineering Home Theater Broadcast Systems : Amazon.co.uk:
Barox IP / PoE midspan extender via coaxial cable, 16 channels, VI-COAX-2616A - Oprema
1.5m Coaxial Cable - Digital Audio Cable | Cables 4 ALL
PROZOR Digital Audio Extender Coax Optical Ethernet Over Cat5e/6 (Poc) Up to 500ft 150M Audio Over Ethernet Adapter Support Dolby DTS 5.1 PCM For Sound Engineering Home Theater Broadcast Systems : Amazon.co.uk:
Hikvision 4 Channel 8MP Lite AcuSense AoC 1 SATA 4Ch DVR Audio via coaxial cable, HDTVI/AHD/CVI/CVBS/IP video inputs - iDS-7204HUHI-M1/S
Hikvision 8 Channel 8MP 4K AoC (Audio via coaxial cable) H.265 Compression 2 SATA 8Ch DVR DS-7208HTHI-K2(S)
Digital Coaxial Audio Video Cable Stereo SPDIF 3.5mm to RCA Jack Male For HDTV | eBay
NexusLink G.HN Wave 2 kit review: Turn your unused coaxial cable into Ethernet | ZDNET