Un allarme che suona quando il ladro è già in casa arriva tardi. Come funzionano le barriere a raggi, quanti raggi servono, e come si evitano i falsi allarmi che...
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A moving camera costs as much as four fixed ones. Sometimes it's the right choice, often it's not. Optical zoom, presets, auto-tracking, and an honest assessment of when it’s worth...
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The point where the camera needs to be placed has no power outlet. There are three possible situations — the network cable is there, power is there but needs protection,...
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Beyond one hundred meters, Ethernet stops, and the quote grows. The PoE extender is powered by the cable itself: no outlet, no digging, no configuration. When it’s the right answer,...
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A camera's shape determines where you can mount it, how far it sees at night, and how often you'll need to clean it. The real differences between bullet, dome, and...
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Isolated house, no ADSL, intermittent power: how to truly secure it with a 4G control panel, outdoor sensors, and battery backup.
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You don't need twelve cameras: you need the right spots. How to cover a villa starting from the access points, with the correct lenses and effective heights.
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Gate leaf weight, length, number of daily cycles, 230 V or low voltage: the four data points that determine the gearmotor, and the mistakes that cost you in after-sales service.
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A single formula to find out how much disk space your video recorder needs: megabits per second times 10.8 equals gigabytes per day. Including examples and tips to cut them...
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From the number of households to the door station, from power supplies to distributors: how to size a residential video intercom system without forgetting any parts.
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