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to generate less interference to hearing devices than phones that are not
labeled. M4 is the better/higher of the two ratings.
T-Ratings: Phones rated T3 or T4 meet FCC requirements and are likely to
be more usable with a hearing device’s telecoil (“T Switch” or “Telephone
Switch”) than unrated phones. T4 is the better/ higher of the two ratings.
(Note that not all hearing devices have telecoils in them.)
Your phone meets the M3/T4 level rating.
Hearing devices may also be rated. Your hearing device manufacturer or
hearing health professional may help you find this rating. For more
information about FCC Hearing Aid Compatibility, please go to
http://www.fcc.gov/cgb/dro
.
