| radio recorder | Radiorecorder |
| radio recording | Rundfunkaufnahme |
| radio recordings | Rundfunkaufnahmen |
| Radio Regulations | Funk-Vollzugsordnung |
| Radio Regulations , RR | Vollzugsordnung für den Funkdienst , VO Funk |
| RADIO REL | Früherkennung |
| radio relay | Richtfunk |
| radio relay entrance link | Richtfunkzubringer |
| radio relay equipment | Richtfunkgerät |
| radio relay link | Richtfunkstrecke |
| radio relay network | Richtfunknetz |
| radio relay repeater station | Repeater |
| radio relay route | Richtfunktrasse |
| radio relay spur | Richtfunkzubringer |
| radio relay spur link | Richtfunkzubringer |
| radio relay station | Ballsender |
| radio relay system | Richtfunk |
| radio relay tower | Richtfunkturm |
| radio relay transmission | Richtfunkübertragung |
| radio remote control system | Funkfernbedienungsanlage |
| radio report | Hörfunkbeitrag |
| radio ripple control | Funkrundsteuerung |
| radio room | Funkraum |
| radio sb. | jdn. anfunken |
| radio serial | Hörfolge |
| radio series | Hörfolge |
| radio service | Funkdienst |
| radio service to shipping | Seefunk |
| radio set | Sprechfunkgerät |
| radio sets | Funkgeräte |
| radio shadow | Funkschatten |
| radio shops | Radiogeschäfte |
| radio shows | Funkausstellungen |
| radio signal | Funkspruch |
| radio signalling system | Funkmeldesystem |
| radio signalling systems | Funkmeldesysteme |
| radio signals | Funksignale |
| radio silence | Funkstille |
| radio silence silent period | Funkstille |
| radio sonde | Radiosonde |
| radio sonde balloon | Radiosondenballon |
| radio source | Radioquelle |
| radio spectrometer | Radiospektrometer |
| radio spectrum | Frequenzspektrum |
| radio spectrum policy | Funkfrequenzpolitik |
| radio station | Radiostation |
| radio stations | Rundfunksender |
| radio subsystem | Funkfeststationssystem |
| radio symphony orchestra | Radio-Sinfonieorchester |
| radio systems | Funksysteme |
| radio taxi | Funktaxi |
| radio technology | Funktechnik |
| radio telecontrol | Funksteuerung |
| Radio Telefís Éireann | Radio Telefís Éireann |
| radio telegram | Funktelegramm |
| Radio telegraphy | Radiotelegraphie |
| radio telephone | Funktelefon |
| radio teleprinting | Funktelegrafie |
| radio telescope | Radioteleskop |
| radio telescopes | Radioteleskope |
| Radio teletypewriter | Funk-Fernschreiber |
| radio teletyping | Funktelegrafie |
| Radio Television of Kosovo | Radio Televizioni i Kosovës |
| Radio Television of Serbia | Radio-Televizija Srbije |
| Radio Television Rumantscha | Radio Television Rumantscha |
| Radio Televizioni Shqiptar | Radio Televizioni Shqiptar |
| radio thriller | Kriminalhörspiel |
| radio thrillers | Kriminalhörspiele |
| radio tinker | Radioamateur |
| radio tower | Funkturm |
| Radio Tower Berlin | Berliner Funkturm |
| Radio Tower Gliwice | Sender Gleiwitz |
| radio towers | Funktürme |
| radio tracking | Funkortung |
| radio traffic | Funksprechverkehr |
| radio traffic service | Verkehrsfunk |
| radio transceiver | Funksprechgerät |
| radio transceiver installation | Funkanlage |
| radio transceivers | Funkgeräte |
| radio transmission | Radiosendung |
| radio transmission channel | Funkübertragungskanal |
| radio transmission tower | Funkturm |
| radio transmissions | Radiosendungen |
| radio transmitter | Funksender |
| radio transmitters | Sender |
| radio transmitting installation | Rundfunksendeanlage |
| radio transmitting station | Rundfunksendeanlage |
| Radio tube | Elektronenröhre |
| Radio Télévision Libre des Mille Collines | Radio-Télévision Libre des Mille Collines |
| radio unit | Funkanlage |
| radio valves | Radioröhren |
| radio wave | Funkwelle |
| radio wave propagation | Funkausbreitung |
| radio waves | Radiowellen |
| radio weather broadcast station | Wetterfunkstelle |
| radio weather broadcast stations | Wetterfunkstellen |
| radio window | Radiofenster |
