14. Terms and denitions
Sabotage
See “Tampering”
Security frequency band
These frequency ranges (433 MHz or 868 MHz) are approved by the authorities (RegTP) for the security eld.
Signals from wireless earphones, mobile phones, garage door openers, etc. cannot interfere with devices
operating in these ranges.
Seismic sensor
See “Shock detector”.
Shock detector
This detector identies vibrations that occur when an attempt to break in is made.
Signal generator
Sounder that triggers an alarm when it receives a corresponding command from the alarm panel (siren,
strobe, etc.)
Silent alarm
This alarm does not trigger any sounders (indoors and outdoors remains quiet and calm), but a monitoring
station is discreetly notied (intruder is not scared o, rather caught in the act, aggressive intruders are not
provoked, etc.)
Smoke detector (fire alarm)
Optical smoke alarm devices save lives, as they respond to smoke particles in the air (usually poisonous
gases). Heat detectors/heat dierence detectors respond to a maximum temperature (e.g. 65°C) or a rapid
increase in temperature.
Sounder
Device that sends an alarm message acoustically (siren) or visually (ashing light). Even diallers are sounders.
Status feedback
Feedback from the alarm panel to a module (arming device, info module, etc.) about its current status.
Status query
Query sent to the alarm panel about the system status (e.g. by pressing the button on the wireless
remote
control).
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