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据《Communications News》1984年12月报道:技术通信公司推出一种战术话音保密装置,该装置采用综合设计,能与任何双向FM无线系统,包括便携式小电台匹
According to “Communications News” reported in December 1984: technology communications company launched a tactical voice security device, the device uses a comprehensive design, with any two-way FM wireless systems, including portable small radio