FIELD: security systems.
SUBSTANCE: invention relates to security alarms. Technical result is achieved by a mobile alarm system comprising an infrared radiation source, an infrared receiver, angled reflectors configured to be placed in a protected territory in protective camouflage shells, which do not prevent passage of infrared radiation through them, and with the possibility of providing their remote and arbitrary installation in the protected territory, electronic unit configured to generate an alarm signal when response signals disappeared in a certain time interval from at least one corner reflector.
EFFECT: providing fast reconfiguration of an alarm system and remote installation of angle reflectors.
1 cl, 3 dwg
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