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Hearing Aid Compatibility (HAC) for Wireless
Telecommunication Devices
This phone has a HAC
rating of M3/T4.
What is hearing aid compatibility?
The Federal Communications Commission has implemented rules and a
rating system designed to enable people who wear hearing aids to more
effectively use these wireless telecommunications devices. The standard
for compatibility of digital wireless phones with hearing aids is set forth in
American National Standard Institute (ANSI) standard C63.19.
There are two sets of ANSI standards with ratings from one to four
(four being the best rating): an "M" rating for reduced interference
making it easier to hear conversations on the phone when using the
hearing aid microphone, and a "T" rating that enables the phone to be
used with hearing aids operating in the telecoil mode thus reducing
unwanted background noise.
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