Huawei M635 User Guide - Page 44

Hearing Aid Compatibility (HAC) regulations for Mobile phones

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using a device. The SAR value is determined at the highest certified power level in laboratory conditions, but the actual SAR level of the device when being operated can be well below the value. This is because the device is designed to use the minimum power required to reach the network. The SAR limit adopted by USA and Canada is 1.6 watts/kilogram (W/kg) averaged over one gram of tissue. The highest SAR value reported to the FCC and IC for this device type when tested for use at the ear is 1.140 W/kg, and when properly worn on the body is 1.100 W/kg. Hearing Aid Compatibility (HAC) regulations for Mobile phones In 2003, the FCC adopted rules to make digital wireless telephones compatible with hearing aids and cochlear implants. Although analog wireless phones do not usually cause interference with hearing aids or cochlear implants, digital wireless phones sometimes do because of electromagnetic energy emitted by the phone's antenna, backlight, or other components. Your phone is compliant with FCC HAC regulations (ANSI C63.19). While some wireless phones are used near some hearing devices (hearing aids and cochlear implants), users may detect a buzzing, humming, or whining noise. 42

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42
using a device. The SAR value is determined at the highest certified
power level in laboratory conditions, but the actual SAR level of the
device when being operated can be well below the value. This is
because the device is designed to use the minimum power required
to reach the network.
The SAR limit adopted by USA and Canada is 1.6 watts/kilogram
(W/kg) averaged over one gram of tissue. The highest SAR value
reported to the FCC and IC for this device type when tested for use
at the ear is 1.140 W/kg, and when properly worn on the body is
1.100 W/kg.
Hearing Aid Compatibility (HAC) regulations for Mobile phones
In 2003, the FCC adopted rules to make digital wireless telephones
compatible with hearing aids and cochlear implants. Although
analog wireless phones do not usually cause interference with
hearing aids or cochlear implants, digital wireless phones
sometimes do because of electromagnetic energy emitted by the
phone’s antenna, backlight, or other components.
Your phone is compliant with FCC HAC regulations (ANSI C63.19).
While some wireless phones are used near some hearing devices
(hearing aids and cochlear implants), users may detect a buzzing,
humming, or whining noise.