How to deal with the interference when the coaxial HD camera is connected to DVR?

HD signal belongs to high definition signal, which is more susceptible to interference than common CUBS signal

1. Confirm whether the power line and BNC line are in parallel, so that the AC (220V and above) will affect HD signal, and separate the pipe

2. Bypass the interference source;

3. add jammer, reduce interference

4. It is recommended to transmit the signal through optical fiber

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