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Sennheiser Raises Duplex Gap Incentive Auction Concerns

NAB is right to question the FCC decision to place broadcasters in the duplex gap following the TV incentive auction, wireless mic company Sennheiser commented in docket 12-268, responding to NAB’s petition for reconsideration of auction procedures (see 1509110050). “Wireless…

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microphones require clear, reliable channels in frequencies with good propagation characteristics (i.e. the TV bands and 600 MHz spectrum),” Sennheiser said. “Given the sensitivity of wireless microphone receivers and their real-time operational requirements, sharing spectrum with white space devices undermines the utility of spectrum for wireless microphone operations.” Some uses of the mics, including breaking news, film production, concerts and theater and “historic political and civic events” in particular, “require hyper-critical links for when there is no ‘second chance,’” the company said in a filing posted Monday.