Public Radio Service (PRS) (Chinese: 公众对讲机; pinyin: Gōngzhòng duìjiǎngjī) is a walkie-talkie personal radio service in the mainland of China, Hong Kong and Macau
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PRS409
Read more: PRS409Public Radio Service (PRS) (Chinese: 公众对讲机; pinyin: Gōngzhòng duìjiǎngjī) is a walkie-talkie personal radio service in the mainland of China, Hong Kong and Macau
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PMR446
Read more: PMR446PMR446 (Private Mobile Radio, 446 MHz) is a licence-exempt personal radio service in the UHF radio frequency band