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日本Trio-Kenwood公司研制成一种多功能的无线电通讯装置。它的控制部分和无线电部分是分开的,如果延长绳路,两者最大距离可相隔32米。这种装置具有通话通道监控功能和末级通道监控功能,后者能保证返回到原先的通道,它还有一个私用的监控扫描系统,能自动地搜索一条通讯和
Japan Trio-Kenwood company developed a multi-functional radio communication device. Its control section and radio section are separated, if the extension of the rope, the maximum distance between the two can be separated by 32 meters. This device has the call channel monitoring function and the final channel monitoring function, the latter can guarantee to return to the original channel, it also has a private monitoring and scanning system that automatically searches for a communication and