radio alarm signal

радіосигнал тривоги

Signal Kit / MK-79 (illumination signal kit)

radio frequency signal

radio-frequency signal

single-channel ground and airborne radio system (SINCGARS) radio

radio pouch, PRR pouch / personal role radio pouch

radio rucksack, radio carrier rucksack

radio-radar; radio/radar

alarm placement

automatic chemical agent alarm

Doppler effect alarm

gas alarm / warning

WMD alarm (weapon of mass destruction)

air raid siren / alarm

fire extinguishing system sprinkler system and fire alarm system

assembly formation after an alarm

fire alarm bell

fire alarm light

automatic-alarm receiver

emergency alarm system