Knowledge of Radio
Which band of radio waves does radio broadcast or television use? How do they spread? At present, AM radio broadcasting ...
Introduction to Radio and Radio
Civil broadcasting and radio were invented in the early 20 th century. In the last hundred years, radio broadcasting and...
Frequency modulation, amplitude modulation, short wave, long wave
What is FM (FM), amplitude modulation (AM), short wave (SW), long wave (LW)? There are AM and FM bands on general radios...
Radio listeners in the era of Internet
As a teenager, I seemed to learn about the outside world mainly through a homemade ore radio. When I became a young man,...
Reflections on amateur channels
Radio spectrum is a kind of natural resources shared by human beings and one of the basic elements of the development of...
Copyright © 2020 Dongguan Hai Tong Electrical Manufacture Co., Ltd. | All Rights Reserved