cctv with vga out put need to connect to rf signal

mashupyourset

Prominent
Mar 8, 2017
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Hi guys, I'm a newbie user, hope you can help.

I have a dvr cctv recorder the output is vga and I need to connect to rf modulator that will only accept rca phono ie yellow for video, white and red for audio.

This in turn connects to several TV's around my house so I can change channel on tv to tap in to what the cameras are seeing.
I've had the system setup successfully for years but due to changing the DVR I now require different connectors

I appreciate that these are different signals i.e and am trying to mix vga rf to rca out put on a modulator box.
Any help would be most welcome, ps hope this makes sense