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Question:

Is it okay to use CCTV for surveillance cameras? Is video line the same as closed route?

Is it okay to use CCTV for surveillance cameras? Is video line the same as closed route?

Answer:

It's not the same thingMonitor line model: SYV75-5, -3, usually blackCable lines: SYWV75-5, usually whiteThe same brand with the specifications of the monitoring line, more expensive than cable TV line
Yes, but only about 15 meters away, so far away, the signal will not work
Not recommendedBut I've never used it. If it's a short distance, you can try it out before wiring. The distance is long.
The impedance is the same, the TV is radio frequency, the monitor is coaxial line, the copper core of TV line is finer. If you have to use video lines, do not contact the middle of the proposal, otherwise the signal attenuation is very large

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