| radio detonator | Funkzünder |
| Radio direction | Radiopeilung |
| radio direction finde | Peilempfänger |
| radio direction finder | Funkerfassungspeiler |
| radio direction finder , ADF | Funkpeilgerät |
| radio direction finder , RDF | Funkpeiler |
| radio direction finder aerial | Richtfunkantenne |
| radio direction finder antenna | Richtfunkantenne |
| radio direction finders | Peilgeräte |
| radio direction finding | Funkpeilung |
| radio direction finding , RDF | Funkpeilung |
| radio direction-finding network | Funkpeilnetz |
| radio disc jockey | Moderator einer Musiksendung im Radio |
| radio disciplines | Funktechniken |
| radio disturbance | Funkstörung |
| radio documentary | Feature |
| radio drama | Hörspiel |
| Radio e Television Rumantscha | Radio e Televisiun Rumantscha |
| Radio electronics | Funktechnik |
| Radio engineer | Radiotechniker |
| radio engineering | Funktechnik |
| radio engineers | Radiotechniker |
| radio equipment | Funkgerät |
| radio exchange | Funkfernamt |
| radio facsimile | drahtlose Bildtelegrafie |
| radio fee | Rundfunkgebühr |
| radio filter | Funkfilter |
| radio fix | Standort nach Funkpeilung |
| Radio Flyer | Flug ins Abenteuer |
| Radio format | Formatradio |
| Radio France Internationale | Radio France Internationale |
| Radio Free Albemuth | Radio Freies Albemuth |
| Radio Free Europe | Radio Free Europe |
| Radio frequencies | Radiofrequenzen |
| radio frequency | Rundfunkfrequenz |
| radio frequency band | Frequenzband |
| radio frequency bridge | HF-Widerstandsmeßbrücke |
| radio frequency channel | Funkkanal |
| radio frequency choke | Funkfrequenzdrossel |
| radio frequency coder | Radiofrequenzcodierer |
| radio frequency detector | Radiofrequenzdetektor |
| radio frequency interference | Hochfrequenzstörung |
| radio frequency interference filter | Funkentstörfilter |
| radio frequency modem | HF-Modem |
| radio frequency spectroscopy | Hochfrequenz-Spektroskopie |
| radio frequency voltmeter | HF-Spannungsmesser |
| radio fuse | Funkzünder |
| radio galaxies | Radio-Galaxien |
| Radio galaxy | Radiogalaxie |
| radio graph | Radiogramm |
