Closed-circuit television (cctv) is the use of
video cameras to transmit a signal to a specific
limited set of monitors.
It differs from the broadcast television in that the signal
is not openly transmitted, though it may employ
point to point wireless links.
HIK VISION CCTV: |
HIK VISION CCTV: |
HIK VISION CCTV: |
HIK VISION CCTV: |
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