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Seite druckenThe wireless telephone industry has developed ratings to assist hearing device users in finding wireless devices
that may be compatible with their hearing devices. Not all wireless devices have been rated. Wireless devices
that are rated will have the rating displayed on the box together with other relevant approval markings.
The ratings are not guarantees. Results will vary depending on the user's hearing device and hearing loss. If your
hearing device is vulnerable to interference, you may not be able to use a rated wireless device successfully.
Consulting with your hearing health professional and testing the wireless device with your hearing device is the
best way to evaluate it for your personal needs.
This BlackBerry® device has been tested and rated for use with hearing aids for some of the wireless technologies
that the BlackBerry device uses. However, other wireless technologies may be used in this BlackBerry device
that have not been tested for use with hearing aids. It is important to try the different features of your
BlackBerry device thoroughly and in different locations to determine if you hear any interfering noise when using
this BlackBerry device with your hearing aid or cochlear implant. Consult your wireless service provider about
its return and exchange policies and for information about hearing aid compatibility.
How the ratings work
M-Ratings: Wireless devices rated M3 or M4 meet FCC requirements and are likely to generate less interference
to hearing devices than wireless devices that are not labeled. M4 is the better or higher of the two ratings.
T-Ratings: Wireless devices 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 wireless devices. T4 is the better or higher of
the two ratings. (Note that not all hearing devices have telecoils in them.)
Hearing devices may also be measured for immunity to this type of interference. Your hearing device
manufacturer or hearing health professional may help you find results for your hearing device. The more immune
your hearing aid is, the less likely you are to experience interference noise from wireless devices.
For more information about the actions that the FCC has taken with regard to hearing aid compatibility with
wireless devices and other steps that the FCC has taken to ensure that individuals with disabilities have access
to telecommunications services, visit www.fcc.gov/cgb/dro.
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