мікрофон перемовного пристрою
fly talk
push-to-talk switch
Target Talk On
capture a prisoner who will talk
talk-down landing
give away the secret by careless talk
chalk talk
Listen Before Talk (LBT) / Listen Before Transmit
ear-worn microphone
ear-worn radio microphone
microphone switch box and neck strap
wireless microphone
integral microphone
mask microphone
lip-type microphone
standard microphone
wall listening microphone
back-to-back circuit
back-to-back connection
back-to-back radio stations
back-to-back relay
back-up fire control
back-up system
cut back co-operation
I read back
play back kit
pull back
push back
read back
reverse engineering ( back- wards engineering)
Camel-back water pouch
Field Pack, Air Support Back