Nokia 2135 - Manual (Page 66)

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by searching the equipment authorization system using FCC ID:
QMNRH-108.
Hearing aid compatibility
Your mobile device model complies with FCC rules governing
hearing aid compatibility. These rules require an M3 microphone
or higher value. The M-value shown on the device box, refers to
lower radio frequency (RF) emissions. A higher M-value generally
indicates that a device model has a lower RF emissions level,
which may improve the likelihood that the device will operate
with certain hearing aids. Some hearing aids are more immune
than others to interference. Please consult your hearing health
professional to determine the M-rating of your hearing aid and
whether your hearing aid will work with this device. More
information on accessibility can be found at
www.nokiaaccessibility.com.
■ Technical information
Feature Specification
Dimensions Width 42.6 mm
Length 103.85 mm
Depth 16.57 mm
Weight 78 g with BL-5B Li-ion battery