| RCTM | Régime de Contrôle de la Technologie des Missiles |
|---|---|
| RED | Radio Equipment Directive |
| RFID | Radio Frequency IDentification |
| RIO | Relevé d'Identité Opérateur |
| RLAN | Radio Local Area Network |
| ROSCOSMOS | State Space Corporation (Russian Federation) |
| RR | Radio Regulations |
| RR | Règlement des Radiocommunications |
| RSCom | Radio Spectrum Committee |
| RSPG | Radio Spectrum Policy Group |
| R&TTE | Radio and Telecommunications Terminal Equipment |