голосовий сигнал
facepiece speech device
Speech-Writing Section (NATO)
veiled speech
speech output
speech terminal
digital speech communication
variable speech terminal
speech compression technique
speech device
speech scrambling
speech communication
forensic speech and audio analysis
Signal Kit / MK-79 (illumination signal kit)
acknowledgement signal
arm-and-hand signal
audio signal
caution signal
combined signal
command and signal
command signal center
control signal
distress signal (=SOS)
echo (returned signal)
field army signal brigade
flash a signal
forward area signal center
hand signal
hoisting signal flags
jamming signal
main signal center
prearranged signal
pyrotechnic signal