| Receiver parameter | Model | S-28 |
| Frequency range | UHF 600-698MHz | |
| Modulation mode | broadband frequency modulation | |
| Bandwidth | 50MHzChannel: 2*480 | |
| Channel interval | 100KHz | |
| Frequency stability | ±0.005% | |
| Dynamic range | 100dB | |
| Maximum non-frequency offset | +45KHz | |
| Frequency response | 50Hz-18KHz(±3dB) | |
| Signal to noise ratio | > 105dB | |
| T.H.D. | ≥0.5% | |
| Operating temperature | -10℃~50℃ | |
| Product technical parameters | Handheld parameters | Acceptance mode: Double frequency |
| conversion superheterodyne If | First IF: 110MHz, second IF: 107.MHZ | |
| Wireless interface | BNC/50 | |
| Sensitivity | 128dBuv(80dBS/N) | |
| Sensitivity range | 12-32dBuv | |
| Spurious inhibition | ≥75dB | |
| Maximum output level | +10dBV |