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Frequently Asked Questions

FAQ List

How long can I record?

Please check the following information first:

  • The number of cameras used?
  • The resolution for each camera? (for example: CIF or D1 or HD)
  • The video compression set? (for example: MJEG or MPEG4 or H.264)
  • The video quality preferred? (the bit rate used?)
  • The recording speed? (for example: 10 fps)
  • How many days to store the recording? (for example: 30 days)
  • How is the scene activity? (for example: constant movement as in a typical casino)
  • The percentage of day to record? (for example: during night time only)

Once you have all the above information, you will be able to estimate the amount of bandwidth and storage required. You may download the following calculators:


How far / how much I can see?



Object Distance (L): H = h x L/f


Download the Lens Calculator here to determine any one of the values in the above formula. This software must be installed on your local drive.