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What does hearing aid compatibility (HAC) mean for wireless device?

April 26, 2017compatibility device hac hearing aid mean Wireless

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What does hearing aid compatibility (HAC) mean for wireless device?

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The FCC defines HAC for cell phones in terms of two parameters; radio-frequency (RF) emissions and telecoil coupling. Cell phones that comply with the FCC’s hearing aid compatibility rule must receive a minimum rating of M3 for RF emissions and T3 for telecoil coupling.