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捷双英对讲机

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  • 产品名称: 捷双英对讲机
  • 产品型号: JS680
  • 产品规格: 
  • 产品备注:
    适合:工地,酒店,宾馆,KTV使用
  • 详细说明

技术参数:

Frequency Range  频率                                                400- 470MHz

Channel Capacity 储存信道                                            16 

Operated Voltage工作电压                                            3.7V 

Battery Capacity  电池容量                                            H-1500 MAh Li-ion

Battery Life(5-5-90 duty cycle) 电池使用时间                   About 10 hours

Frequency Stability 频率稳定度                                      ±2.5ppm

Operated Temperature 工作温度                                   ﹣20℃-﹢60℃

Antenna Impedance 天线抗阻                                       50Ω

Dimensions 体积                                                          97.36mm×57.2mm×29.3mm

TransmitterRF Power Output 输出功率                           ≤5W

Modulation调制方式(宽带/窄带)                                  F3E

Spurious Emission 杂散发射                                           65dB

FM Noise 信噪比(宽带/窄带)                                      45dB(W) /42dB (N)

Audio Distortion 音频失真                                             ≦5%

Transmitting Current 发射电流                                       1.2A

Receiver                                  

Sensitivity (12dB SINAD) 灵敏度                                    大于0.20μV

Intermodulation 互调(宽带/窄带)                                ≧65dB

Adjacent Channel Selectivity 邻道选择性                         大于60dB

Spurious Response 杂散抑制                                         大于60dB

FM Noise 信噪比(宽带/窄带)                                      45dB(W) /42dB (N)

Audio Distortion   音频失真                                           ≦5%
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