Questions · Intruder detection
Buried cable or sensor fence?
Buried cable detects whoever steps on a strip of ground and cannot be seen, so you cannot dodge what you do not know the location of. The sensor fence detects the attack on the fence —climbing, cutting, lifting— and is only any use if there is a fence and it is in good condition.
Buried cable follows the ground, is not affected by fog or snow and is what goes in where nobody must be able to tell there is a security installation. In exchange it needs building work, it requires a strip with no metal or traffic nearby, and it suffers with waterlogged ground and with large animals crossing over it.
The sensor fence is much cheaper to deploy and depends entirely on the fence: a loose mesh that vibrates in the wind gives alerts all night, and there what has to be fixed is the fence, not the sensor setting. Fitted properly on a rigid fence it gives the alert at the moment of the attack, that is, before anybody has got in — and that is what makes it valuable.
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