Most modern electronic equipment is shielded from radio frequency (RF)
signals. However, certain electronic equipment may not be shielded
against the RF signals from your wireless phone.
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Pacemaker manufacturers recommend that a minimum separation of 6
inches (20 cm) be maintained between a handheld wireless phone and a
pacemaker to avoid potential interference with the pacemaker. These
recommendations are consistent with the independent research by and
recommendations of Wireless Technology Research. Persons with
Should always keep the phone more than 6 inches (20 cm) from their
pacemaker when the phone is switched on
Should not carry the phone in a breast pocket
Should use the ear opposite the pacemaker to minimize the potential
If you have any reason to suspect that interference is taking place,
switch off your phone immediately.
Some digital wireless phones may interfere with some hearing aids. In the
event of such interference, you may want to consult your service provider.
Other medical devices
Operation of any radio transmitting equipment, including cellular phones,
may interfere with the functionality of inadequately protected medical
devices. Consult a physician or the manufacturer of the medical device to
determine if they are adequately shielded from external RF energy or if
you have any questions. Switch off your phone in health care facilities
when any regulations posted in these areas instruct you to do so.
Hospitals or health care facilities may be using equipment that could be
sensitive to external RF energy.