| Frequency Range: | 610-680MHz |
| Modulation mode: | FM |
| Number of Channels: | Single Channel |
| Frequency Response: | 60Hz-13kHz |
| Max.Frequency Deviation: | ±15kHz |
| Frequency Steadiness: | ±0.005% |
| S/N ratio: | >70dB |
| Total Harmonic Distortion: | ≤ 0.5%（at 1kHz） |
| Transmit Power: | ≤ 10mW |
| Receiver Power Supply: | DC 9V/300mA，External |
| Transmitter Power Supply: | 9V Tier Battery |
| Output Type: | Separate or Mixed Output |
| Audio Dynamic Range: | Over 100dB，Over 118dB with limiting |
| Service Areas: | 50 meters |
| Temperature Range: | -20”C to 50´C |
