The FCC should impose a strict emissions mask...
The FCC should impose a strict emissions mask to protect public safety communications in the 800 MHz National Public Safety Planning Advisory Committee band, the Telecommunications Industry Association said in comments filed at the FCC. In August, the FCC sought…
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comment on an April 30, 2012, petition by Harris, which asked the agency to require that digitally modulated signals be certified under the stringent H-Mask for use in public-safety spectrum (http://bit.ly/150svh5). “As was noted in the initial Harris Petition, until recently, manufacturers generally have interpreted Part 90 rules to preclude use of Mask B in public safety frequencies due to the obvious and inevitable interference,” TIA said (http://bit.ly/183rzje). “To be specific, digital technology meeting the more stringent Mask H emissions requirements is almost universally utilized in public safety frequencies used by first responders and others protecting life, health, and property.” Motorola Solutions agreed with TIA. “Motorola Solutions urges the Commission to apply Emission Mask H to all digital technologies operating in the NPSPAC band,” said a filing by the company (http://bit.ly/1aN6wvG). “Motorola Solutions also urges the Commission to make clear that equipment designed to operate on designated public safety mutual aid or interoperability channels in the 800 MHz, VHF and UHF bands must have analog FM capability for interoperability purposes. These actions will promote interoperability, efficiency, and interference-free operations in crucial, and heavily-used, public safety communications bands."