Free field calculators for planning camera systems: storage, bandwidth, PoE, coverage, lens choice and low-voltage wire runs.
How much hard drive you need for the retention you want.
Size the NVR uplink and switch backbone.
Check that the switch can actually power every camera.
Scene width at a distance, and whether you'll identify a face.
Which lens gets the detail you need at that distance.
Voltage that actually arrives at the camera on a long wire run.
Spyon Security plans and installs camera systems across Cambridge, Kitchener, Waterloo, Brantford and Hamilton.
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