- 固定频
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参数 / system parameter
| 频率范围 / frequency range: | 610-680mhz |
| 调制方式 / modulation mode: | fm |
| 通道 / number of channels: | single channel |
| 频率响应 / frequency response: | 60hz-13khz |
| 最大频率偏差 / max.frequency deviation: | ±15khz |
| 频率稳定性 / frequency steadiness: | ±0.005% |
| 信噪比 / s/n ratio: | >70db |
| 总谐波失真 / total harmonic distortion: | ≤ 0.5%（at 1khz） |
| 发射功率 / transmit power: | ≤ 10mw |
| 接收器电源 / receiver power supply: | dc 9v/300ma，external |
| 发射机电源 / transmitter power supply: | 9v tier battery |
| 输出类型 / output type: | separate or mixed output |
| 音频动态范围 / audio dynamic range: | over 100db，over 118db with limiting |
| 服务范围 / service areas: | 50 meters |
| 温度范围 / temperature range: | -20”c to 50´c |