HEARING AID COMPATIBILITY HAC FOR WIRELESS
TELECOMMUNICATIONS 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.
HOW WILL I KNOW WHICH WIRELESS PHONES ARE HEARING
AID COMPATIBLE?
The Hearing Aid Compatibility rating is displayed on the wireless phone
box. A phone is considered Hearing Aid Compatible for acoustic
coupling (microphone mode) if it has an “M3” or “M4” rating. A digital
wireless phone is considered Hearing Aid Compatible for inductive
coupling (telecoil mode) if it has a “T3” or “T4” rating.
HOW WILL I KNOW IF MY HEARING AID WILL WORK WITH A
PARTICULAR DIGITAL WIRELESS PHONE?
You’ll want to try a number of wireless phones so that you can decide
which works the best with your hearing aids. You may also want to talk
with your hearing aid professional about the extent to which your hearing
aids are immune to interference, if they have wireless phone shielding,
and whether your hearing aid has a HAC rating. For this phone model
number MXW1 is rated M4/T4.
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