The product is a two-position four-channel (with temporary channel separation) radio-beam means of detection of intruder crossing of protected areas and is intended for use in security systems inside capital premises.
Each of the four receiver-transmitter pairs provides the formation of a detection zone (DZ) on the areas inside the protected premises. The term "detection zone", as applied to this type of detection means, means the area of space between the transmitter (PRD) and the receiver (PRM), when crossed by an intruder in the conditions and methods specified in this manual, the detector generates an alarm notification (hereinafter referred to as "notification").
The term "detection zone axis" means a conventional straight line connecting the centres of the PDD and the PDM. One set provides the formation of four detection zones.
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