Radio waves with wavelengths of less than about 30 cm are called microwaves. Microwaves with wavelengths of about 1 centimeter to 20 centimeter are widely used for communication, such as for cellular telephones and satellite signals.
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Radio waves with wavelengths of less than about 30 cm are called microwaves. Microwaves with wavelengths of about 1 centimeter to 20 centimeter are widely used for communication, such as for cellular telephones and satellite signals.
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