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Publication Number: 848406 Rule Parts: 15B Publication Date: 03/26/2007
Keyword: Ultrasonic communication device

First Category: Radio Service Rules
Second Category: Part 15 Unintentional Radiators

Question:   What is the FCC requirement for an electronic device that generates sound waves for communication purposes?

Answer:   An electronic ultrasonic communication device is classified as an unintentional radiator and is subject to the administrative and technical requirements in 47 CFR Part 15, Subpart B.
Similar devices that use RF energy to generate ultrasonic waves for non communication purposes  are regulated under Part 18 –industrial, scientific and medical equipment. The regulations for marking, equipment authorization and importing a regulated device are contained in 47 CFR Part I, J and K respectively


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