| Abbreviation | Definition |
|---|---|
| RDAC | Redundant Disk Array Controller |
| RDC | Remote Data Collector |
| RDF | Repair Difficulty Factor |
| RDI | Raw Data Interface |
| RDI | Receiver Data Interface |
| RDM | Remote Device Managment |
| RDPP | Reconfigurable Data Path Processor |
| RDSD | Removable Data Storage Device |
| RDT | Remote Data Terminal |
| RDT | Remote Display Terminal |
| RDX | Removable Data eXtension |
| REB | Radio Equipment Box |
| REB | Relocatable Equipment Building |
| REFCLK | Reference Clock |
| REJASE | RE-using Junk As Something Else |
| REN | Remote Enable |
| RET | Resolution Enhancement Technology |
| RFA | Resident Flash Array |
| RFC | Residual Functional Capacity |
| RFFE | Radio Frequency Front End |