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Sennheiser Offers FCC Advice on Rules for Wireless Mics

The FCC needs to carve out an exception to Section 15.201 of its rules for unlicensed wireless microphones “in light of the unique applications of microphones compared to other types of devices for which the rule was created,” Sennheiser said…

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in a filing at the FCC. The wireless mic maker reported on a meeting with officials from the FCC Office of Engineering and Technology. The FCC approved new rules for wireless mics last August tied to the TV incentive auction and 600 MHz band repacking (see 1508060050). “Sennheiser discussed possible scenarios for modifying existing equipment to ensure operations would meet the new rules, and the equipment certification implications, using the clearing target band plan as an example,” Sennheiser said. The company said professional productions require interference protection from white space devices. “A pathway for this needs to exist for legitimate performing arts companies that do not meet the 50 microphone threshold for licensed operation,” it said. Sennheiser also said it proposed alternate frequencies in the 169-172 MHz band that could be used for wireless mics. "With regard to the 1.4 GHz band, Sennheiser noted that the 30 MHz spectrum limit was unexpected and not needed." the company said. "Use is limited to specific licensees and circumstances, and the frequency coordinator is well-situated to determine whether the number of channels requested by [a] licensee is necessary and appropriate." The filing was posted Wednesday in docket 12-268.