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随着无线电手持台对讲机的普遍应用,越来越多型号的对讲机走向市场,面对众多型号的对讲机,如何根据型号,判断出该机的类型、工作频段、频率设置、工作性能等,国家对此有标准化规定,如附表。例如,“JBD—3”型无线手持台对讲机,我们就可以从型号直接看出该机是工作在150MHZ频段的单工同频便携式无线对讲机,其功率等级在
With the universal application of radio handheld walkie-talkie, more and more types of walkie-talkies to the market in the face of many types of walkie-talkies, how to determine the type of aircraft, working frequency band, frequency settings, performance, etc., There are standard rules, such as the schedule. For example, “JBD-3” wireless handheld radio, we can directly see from the model machine is working in the frequency band 150MHZ single-frequency portable radio intercom with a power rating of