radiophone
Voice over airwaves
A radiophone is a telephone or communication device that transmits voice over radio waves rather than wires.
The term covers various technologies from early wireless telephony to modern two-way radios.
It appears in technical and historical contexts more than everyday speech: Ship-to-shore communication relied on the radiophone.
Without attached wiring
- portableAble to be carried
- mobileCapable of movement
- untetheredNot fastened to anything
- two-wayOperating in both directions
handheld · walkie-talkie · transceiver · battery-powered · remote · airwaves · cellular · satellite
Signal-emitting device
- antennaBroadcast signal receiver
- modulatorDevice that varies signals
- oscillatorCyclic signal generator
- carrierOne that transports
frequency · amplifier · signal · transducer · feedline · bandwidth · power · circuit
One who accepts transmission
- earpieceSpeaker worn in-ear
- speakerOne who talks
- headsetWearable audio device
- handsetHeld telephone component
demodulator · tuner · amplifier · volume · audio · signal · channel · selectivity
Between boat and land
- SOSMorse distress code
- distressSevere anxiety or suffering
- maydayRadio emergency signal
- coastguardSeafaring emergency responders
vessel · navigation · nautical · seafaring · mariner · yacht · freighter · tanker
One who works machinery
- switchboardTelephone routing panel
- callContact by phone
- dialGraduated circular indicator
- long-distanceAcross great distances
duplex · half-duplex · push-to-talk · PTT · relay
Morse distress code
- maydayRadio emergency signal
- rescueSave from harm
- search-and-rescueLocating and retrieving imperiled persons
- lifesavingPreserving human existence
cordless
Without attached wiring
- portableAble to be carried
- mobileCapable of movement
- untetheredNot fastened to anything
two-way · handheld · walkie-talkie · transceiver · battery-powered · remote · airwaves · cellular · satellite
transmitter
Signal-emitting device
- antennaBroadcast signal receiver
- modulatorDevice that varies signals
- oscillatorCyclic signal generator
carrier · frequency · amplifier · signal · transducer · feedline · bandwidth · power · circuit · encoder
receiver
One who accepts transmission
handset · demodulator · tuner · amplifier · volume · audio · signal · channel · selectivity · sensitivity
ship-to-shore
Between boat and land
coastguard · vessel · navigation · nautical · seafaring · mariner · yacht · freighter · tanker · liner
operator
One who works machinery
- switchboardTelephone routing panel
- callContact by phone
- dialGraduated circular indicator
long-distance · duplex · half-duplex · push-to-talk · PTT · relay
SOS
Morse distress code
- maydayRadio emergency signal
- rescueSave from harm
- search-and-rescueLocating and retrieving imperiled persons
radiophoneradiotelegraph
Cordless Morse communication device
wireless telegraph · teleprinter · telex · semaphore · written correspondence
radio, phone, telephone, radiation, radioactive, phonograph, radioactivity, radiology, radiograph