| Abbreviation | Definition |
|---|---|
| RFICP | Radio-Frequency Integrated Circuit Piezoelectric |
| RFID | Radio Frequency IDentification |
| RFID | Radio-frequency identification |
| RFM | Radio Frequency Monitoring |
| RFO | Restricted Flow Orifice |
| RFOC | Radio Frequency Oscillator Circuit |
| RFQ | Request For Quote |
| RFR | Radio Frequency Radiation |
| RFS | Radio Frequency Simulator |
| RFS | Radio Frequency System |
| RFS | Regardless of Feature Size |
| RFT | Resistive Force Theory |
| RFTS | Remote Fiber Testing System |
| RFU | Remote Focus Unit |
| RG | Radio Grade |
| RGA | Residual Gas Analysis |
| RGE | Rochester Gas and Electric |
| RGPO | Range Gate Pull Off |
| RGT | Reliability Growth Testing |
| RGTMC | Reliability Growth Tracking Model Continuous |