- hi-power piezo siren
- пьезоэлектрическая сирена большой мощности
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
hi-power piezo siren
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Burglar alarm — Silent alarm redirects here. For the album, see Silent Alarm (album). Burglar (or intrusion), fire and safety alarms are all electronic today. Sensors are connected to a control unit via a low voltage hardwire or narrowband RF signal which is… … Wikipedia
