天纬T-70

主要参数：

频率范围        UHF 400-470兆                         

信道数量        16

步进长             7.4伏                                                                         

标配电池           1300毫安锂电池                                                       

电量使用时间(5-5-90工作循环)           约9小时                                                                     

频率稳定度         ±2.5ppm                                                                   

工作温度范围       ﹣30℃-﹢60℃                                                          

天线阻抗            50欧                                                                           

产品尺寸(长×宽×高) (包括电池)       120×60×38毫米                                                     

重量(包括电池/天线)  198克                                                                          

理论通讯距离        约6公里                                                                     

发射       

发射功率           5瓦/3瓦                                                                     

调制方式           F3E                                                                           

杂散发射           ≤65dB                                                                    

剩余调频           ≤-45dB                                                                   

音频失真           ≦5%                                                                       

发射电流           ＜1.5安                                                              

接收   

灵敏度(12dB SINAD)  ≦0.20微伏                                                            

选择性               55dB/50dB                                                             

互调                 ≧65dB                                                                  

邻道选择性           ≧60dB                                                                    

杂散抑制             ≧60dB                                                                   

信噪比                45dB/40dB                                                              

音频功率              800毫瓦                                                                   

音频失真                 ≦5%                                                                       

待机电流(省电功能开)      ≈15毫安 

以上参数仅供参考，以实物为准。