Verykool R27 - Manual (Page 23)

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On July 10, 2003, the U.S. Federal Communications Commission
(FCC) Report and Order in WT Docket 01- 309 modified the
exception of wireless phones under the Hearing Aid Compatibility
Act of 1988 (HAC Act) to require digital wireless phones be
compatible with hearing-aids. The intent of the HAC Act is to ensure
reasonable access to telecommunications services for persons with
hearing disabilities. While some wireless phones are used near
some hearing devices (hearing aids and cochlear
implants), users may detect a buzzing, humming, or whining noise.
Some hearing devices are more immune than others to this
interference noise, and phones also vary in the amount of
interference they generate. The wireless telephone industry has
developed a rating system for wireless phones, to assist hearing
device users find phones that may be compatible with their hearing
devices. Not all phones have been rated. Phones that are rated
have the rating on their box or a label located on the box.
The ratings are not guarantees. Results will vary depending on the
user’s hearing
device and hearing loss. If your hearing device happens to be
vulnerable to interference, you may not be able to use a rated phone
successfully. Trying out the phone with your hearing device is the
best way to evaluate it for your personal
needs.
M-Ratings: Phones rated M3 or M4 meet FCC requirements and are
likely to generate less interference to hearing devices than phones
that are not rated. M4 is the better/higher of the two ratings.
R27 is rated M3.
T-Ratings: Phones rated T3 or T4 meet FCC requirements and are
likely to be more