https://www.pacrad.com/rdl-ru-vsx4.html
Radio Design Labs RU-VSX4 BNC Video Switcher (4x1) - PacRad
Radio Design Labs RU-VSX4 BNC Video Switcher (4x1) is the ideal choice in most applications where four video signals need to be switched to a single output....
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https://www.securitytec.co.uk/10-meter-composite-bnc-video-power-cable.html
10 meter, Composite BNC VIDEO & POWER Cable
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https://www.sommercable.com/en-us/Products/Premade-Cables/BNC-Video-Cable/
BNC-/Video Cable
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