stroboscopy
audio amplifier
acoustic device
reigniter
PA
rewireable
buzzerphone
miniplug
snapper
Schmitt trigger
jumper
responsor
signaling device
microcompressor
pulse demodulator
downmodulation
multiplier
compander
amplifier
modulation
comodulation
op-amp
transjector
amp
reperforator
telegraph
plug into
digital-to-analog converter
multitransmitter
transpond
cable tie
digital-analog converter
premodulate
embedder
transmittance
bandpassed
dynamic headroom
jammer
patch
modem
wiring harness
autodyne
multiwires
jack
acoustic coupler
annunciator
oversampler