What is Radio Charging?

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  • Written By: S. Gonzales
  • Edited By: Bronwyn Harris
  • Last Modified Date: 08 September 2019
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Radio charging is a charging method that can be achieved without the use of wires. It incorporates radio waves into the charging process. Numerous devices have now implemented wireless charging into their features and many consumers find it to be an integral part of their experience with the devices.

Items that are capable of being charged through radio waves are usually those that are small, use batteries and have very low power consumption. Everyday items like hearing aids, personal watches, medical implants and cell phones can benefit from radio charging and function at full power when the charging has been completed. Radio charging can also help keep equipment and accessories related to computers working properly. For example, wireless mice, keyboards and other peripherals can have a component to them that allows for wireless charging and eliminates the need for traditional wires and plugs that would usually keep them connected to the computer or another main device.

While radio charging technology may, at first, appear to be revolutionary to the average consumer, the technology is used in universal, everyday devices. Televisions, cell phones, radios and Wi-Fi signals all operate using radio waves. They require the same type of electronic transmission as radio charging. The radio waves used for these devices are attracted to an antenna that has been programmed at a specific frequency designed to receive and interpret it.


Similarly, a transmitter and a receiver are necessary for the devices of average consumers to charge without wires. Although they may not be visible to the consumer, they must be included somewhere within or around the device. Like larger transmitters and receivers devoted to powering televisions and Wi-Fi, transmitters and receivers of small items must share the same frequency to function properly and transfer radio waves. If frequencies are not altered, then the battery contained within the unit or device will charge wirelessly and not require a special, wired adapter to be plugged into a wall for power.

Radio charging makes the use of small, personal devices much easier because of their wireless technology. Bigger devices, such as laptops, would not benefit from the use of radio charging because of their size and energy requirements. Generally, the amount of space between the transmitter and receiver determines the effectiveness the signal. The effectiveness of the signal, in turn, determines the strength of the charge and how long the charge will last on the device. That's why, when charging, a transmitter and receiver should be positioned together as closely as possible.


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