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采用数模实现声音信号传输,高保真,信噪比高,无声音延时。使用独有的新型防啸叫单指向高灵敏度电容咪芯,使会议声音几近完美主控机采用全金属结 构设计,庄重大方;列席单元采用工程塑料材质加上新颖的外型设计,内置天线,美观得体。 针对会议应用独立研发的数据通信算法,使信号范围内,系统响应速度不受列席单元多少影响。用户可灵活增减列席单元。出厂默认的系统列席单元容量为 ≦255个(含1主席)。 具有轮替1-2-3-4-5-6-7-8、限制1-2-3-4-5-6-7-8、主席专有多种会议发言模式功能。 超低功耗,列席单元大于8小时的连续发言时间和大于20小时的待机时间;5号普通电池或厂家原配镍氢电池均可使用。配套的智能充电器,有效保护电池, 延长电池使用寿命和确保安全。 大屏幕LCD显示:分级菜单设计,使操作简明方便。且有诸多如电量显示和欠压警告,频率信道和信号指示等功能 音频信道和控制信道皆采用无线方式传送,无需铺设电缆,信号覆盖范园内可任意移动,使会场布置便捷灵活。

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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

 

 

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