SM-700接收机技术参数
电源输入Power input····································DC12V-15V，≧1A
消耗功率Power consumption··········································<7W
工作温度working temperature ·······························-10℃ -- 40℃
主控机尺寸（L×W×H）··························480mm×200mm×62mm
主控机重量Master Computer Weight·································2.4 kg
音频信道Audio channel：
通信方式communication mode························UHF无线方式（双向）
频率范围frequency range··················（500MHz --- 950MHz）可供选择
解调方式Demodulation system·····························Digitaltransfer
接收灵敏度Receiving sensitivity··································--100dBm
控制信道control channel:
通信方式communication mode································UHF无线双向
频率范围frequency range·································500MHz-950MHz
调制方式modulation mode············································FSK
接收灵敏度Receiving sensitivity···································-100dBm
辐射功率Radiated power·········································≦+6dBm
频率偏差Frequency deviation·······································<0.002
数据速率Data rate················································100KBPS
SM-700H座咪话筒技术参数
信号覆盖范围Signal coverage·························室内半径60米
音频总增益Total Audio Gain································≦20dB
信噪比Signal-to-noise ratio·································>85dB
音频总谐波失真Total Harmonic Distortion of Audio·········≦0.8%
音频信道Audio channel:
通信方式communication mode·······························UHF
频率范围frequency range··········（500MHz --- 950MHz 可供选择）
最大调制量Maximum modulation······························60K
辐射功率Radiated power·································≦+9dBm
频率偏差Frequency deviation······························<0.002
参考讲话距离Reference Speech Distance··············10cm--30cm
