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产品名称:BG-3H一拖一手持咪 详细介绍：    ●　系　统　 参　数载波频率...................................VHF160-190 190-220 220-270MHz稳定度......................................±0.005%(at25 c)工作温度...................................-10 C - +50 C最大偏移度..............................±15KHz水平限制动态范围...................................110dB信噪比.......................................>100dB总谐波失真...............................<0.7%静音控制...................................音码及杂讯锁定 双重静音控制频率响应...................................50Hz-18KHz工作范围..................................100米(约300英尺)在标准条件下●　接　收　机　参　数接收模式...................................石英锁定灵敏度.......................................4uV(up 45 dB SINAD/at 15KHz deviation)镜频抑制...................................>80dB音频输出................不平衡 Hi 0-300mv/10K Mixer (Hi 0-250mv/10K)电力要求...................................直流 16-20V 250mA输入尺寸(DXWXH)............................420X235X44毫米重量...........................................约3公斤电源安全标准...........................CCC●　发　射　器　参　数音头...........................................动圈式(手持式)              电容式(领夹话筒\头戴话筒)天线...........................................内置发射功率..................................≤10mW电池.............一枚9V层叠电池或8.2V Ni-cd可充电电池电池寿命...................................>8小时尺寸...........................................52毫米直径X240毫米60X100X26毫米(08T佩戴式)重量...........................................260克