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AegisGuard Wire Radiation Shield
For Wired And Air Tube Headsets
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Made in USA
Wire Shield Features Model & Price Instructions

AegisGuard Headset Wire Radiation Shields

NOTE: This is the correct AegisGuard™ product to use with wired and air-tube headsets. Click here if you have a wireless headset, hearing aid or cochlear implant processor.

If you must use a phone while driving, the use of a hands free headset in an automobile is a great idea and required in many places by law. If you are not using your cellular or cordless phone protected with AegisGuard™ LS Radiation Shields, it is also sensible to increase the distance between you and the phone by using a headset. But as Aegis first reported in 1998, if you think using a wired, air-tube or wireless headset is safer than holding a phone against your ear, think again.

AegisGuard Wire Radiation Shields for wired and air-tube headsets (headset not included) are proven to be the most effective shielding solution available for these types of headsets.

Your headset's radiationThe ABC news show 20/20 aired their first broadcast about cell phone radiation and SAR safety standards in 1999. During the broadcast, a wired headset was attached to a cell phone and SAR tests revealed a reduction in radiation emissions from the phone's earpiece. Amazingly, the emissions from the headset earpiece and wire were not measured.

In December, 2000, the British government reversed their endorsement advising consumers to use wired and air-tube headsets as safety devices. This occurred after they discovered cell phone headsets can channel more than three times the amount of radiation into the head when compared to holding a phone against the ear.

AegisGuard™ Headset Wire Radiation Shields for wired and air-tube headsets (headset not included) are proven to be the most effective shielding solution available for these types of headsets. They fit virtually all cell and cordless phone headset wires, do not contain Nickel or MDF, and are easily installed without tools.

AegisGuard™ Headset Wire Shields provide greater protection than ferrites, also known as ferrite beads.

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, including 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 generated by a cellular or cordless phone from traveling up the wire.

Ferrites are widely used in the electronics industry because in addition to their low cost (less than US $1.00), they also offer high magnetic permeability that concentrates and reinforces the magnetic field and high electrical resistance, thus limiting the amount of electric current flow in the ferrite. Their specifications are always presented as resistance (in OHMS) and since they cannot limit the amount of radiation flow, they are never used for any applications where a stringent degree of component radiation shielding effectiveness is required.

AegisGuard™ Headset Wire Shields prevent up to 98% of a cell phone's radiation frequencies from being transferred through a headset wire.

  • Learn why the British government discontinued endorsing the use of headsets as safety devices.


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