Quick understanding of High Frequency, Radio Frequency and Microwave
High frequency: is the high frequency such as VHF, UHF or SHF, and the unit is generally expressed in MHz (megahertz).Radio Frequency: Radio Frequency, referred to as RF. Radio frequency is radio frequency current, which is an abbreviation of high frequency alternating electromagnetic wave. The alternating current that changes less than 1,000 times per second is called low-frequency current, and t……