英和和英

a signal man

turn on the duplexer

an emergency signal

communicate by [through, with] signs

device for converting analogue signals into digital signals

a device that converts sound waves to an electrical signal

an apparatus called frequency converter

device for converting digital signals into analogue signals

a transmission line for high-frequency signals

a railroad signal called distant signal

a nautical signal

electro-acoustic transducer for converting electric signals into sounds

an apparatus for converting sound into electrical signals and vice-versa

signals communicated through gestures

convey by semaphore, of information

to demodulate a beam from an irregular electric wave

an apparatus that changes the wave length of a radio signal

a warning-signal

jump the light

receive a signal

pick up signals

a distress signal

as a signal

the audible part of a transmitted signal

the antenna received signals with no directivity

a radio wave that can be modulated in order to transmit a signal

interlocking signals

in a signal manner

an acronym for pedestrian light control

to demodulate a signal from a modulation wave