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Radio wave power supply

       Radio wave type of wireless power supply is one of the ways of wireless power supply. The following is to explain the radio wave wireless power supply.
       Radio wave charging mode
       Principle: convert environmental electromagnetic wave into current, and transmit current through circuit
       Transmission power: more than 100MW
       Transmission distance: more than 10m
       Frequency range: 2.45khz
       Charging efficiency: 38%
       Advantages: suitable for long-distance small power charging; automatic charging anytime and anywhere
       Limitation: low conversion efficiency; long charging time