|AegisGuard™ Radiation Shields
Ferrites (Ferrite Beads)
AegisGuard™ Headset Wire Shields provide far greater protection than ferrites,
also known as ferrite beads, and should not be confused them.
Most ferrites function at frequencies between 1 KHz. to 1 GHz. and it is important to understand that cellular phones operate at frequencies above 1 GHz. Ferrites are commonly used on 50 to 60 Hz. AC power cords and in the circuitry of electronic equipment to prevent unwanted outside radiation frequency interference (RFI), also known as noise, from penetrating the wire and interfering with other components within the equipment.
Ferrites are not designed, or intended, to be
near the body and are never used for shielding people because their electromagnetic absorption properties are
significantly affected by environmental and operating conditions,
temperature, pressure, field strength, frequency and time. They
do not provide any protection whatsoever from cellular phone radiation when using a
headset because they can only prevent radiation frequencies between 1 KHz. to
1 GHz. from entering the
wire, thus having no effect upon the frequencies traveling up the wire from
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