技术指标Specifications频率范围/Carrier Frequency Range: VHF210-280MHz频率稳定度/Frequency Steadying: ±0.05﹪动态范围/Mobile State Range: ﹥90dB调制方式/Modulation Mode: FM频率响应/Frequency Response: 50Hz-16KHz信噪比/S/N Ratio: ≥90dB邻频干扰比/F/N Ratio: ≥80dB镜像干扰比/P/N Ratio: ≥80dB使用范围/Service Areas: ≥70米 Meters(开阔地)接收机供电/Receiver Power Supply: DC15-18V发射器供电/Transmitter Power Supply: 1.5V One battery