Hearing Aid Compatibility (HAC) for Wireless
Telecommunication Devices
This
phone has a HAC rating of M4/T3.
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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