GB/T 37656-2019
海上導航和無線電通信設備及系統(tǒng) D級數(shù)字選擇性呼叫（DSC）甚高頻（VHF）無線電話 測試方法及要求的測試結(jié)果
Maritime navigation and radiocommunication equipment and systems—VHF radiotelephone equipment incorporating Class“D”Digital Selective Calling（DSC）—Methods of testing and required test results
GBT37656-2019, GB37656-2019