| Abbreviation | Definition |
|---|---|
| QNF | The net is free |
| QNG | Take over as net control station. |
| QNH | Your net frequency is High. |
| QOC | Quad Optical Connector |
| QOC-12 | Quad Optical Connector - level 12 |
| QOC-3 | Quad Optical Connector - level 3 |
| QODC | Quick Lock Out Door Connector |
| QODC | Quick Optic Derivation Closure |
| QOS | Quality Of Service |
| QOSM | Quality of Service Management |
| QOT | Quality of Transport |
| QOTS | Quantum Optical Tracking Station |
| QP | Quick Post |
| QPC | Quantum Prime Communications |
| QPM | QoS Policy Manager |
| QPM | Quadrature Phase Modulation |
| QPN | Qualitative Probabilistic Network |
| QQS | Quality-of-Service Query Service |
| QR | Queue Ranking |
| QRF | Queued Request Facility |