What Are the Different Types of Mobile Phone Radiation Protection?

A.M. Boyle

There are several safety measures that can be taken by individuals seeking mobile phone radiation protection. One way is simply to limit or avoid mobile phone use. The type of cell phone used and the way it is used can also have a lot to do with mobile phone radiation protection. There are also various shields and other products available that claim to protect against cell phone radiation.

Instead of pressing the phone to their ear to talk, some people will text message.
Instead of pressing the phone to their ear to talk, some people will text message.

Mobile phones have different specific absorption rates (SARs). The SAR measures the amount of radio frequency (RF) energy absorbed into a person’s body when the phone is used. An individual should choose a phone that has a low SAR rating. This will ensure at least some degree of mobile phone radiation protection.

Headsets can provide limited protection from mobile phones.
Headsets can provide limited protection from mobile phones.

As another means of mobile phone radiation protection, it is recommended that a person avoid pressing the cell phone close to the head when in use. Instead, an individual should consider using the speaker or text messaging features. It is also generally advised that cell phones be carried at least one inch (five centimeters) away from the body, even when not powered on.

To avoid higher RF emissions, a mobile phone user should wait until a call connects before placing the phone to his or her ear. People are also advised not to use cell phones in enclosed metal spaces, such as vehicles or elevators. Those types of areas can trap and reflect radiation back at the user.

There are several devices on the market that claim to provide a high degree of mobile phone radiation protection. One is a known as cell phone shield. The shield is placed directly on the cell phone and purports to absorb radiation, deflecting it way from a person’s body.

Some studies have suggested that radiation can be transmitted through cell phone headsets or ear pieces. Consequently, an “air tube” headset has been suggested as an alternative to traditional headsets. A hollow, air-filled tube transmits sound from the phone’s speaker to a specially designed earpiece. This keeps the phone away from the head, and because neither the air tube nor the earpiece has any metal conductors, the headset will not transmit radiation.

Products using molecular resonance effect technology (MRET) have been offered as another means of mobile phone radiation protection. Such products superimpose a noise field on the RF energy emitted by a cell phone. This noise field mimics RF’s nature, and the body no longer recognizes cell phone RFs as foreign toxins. As a result, there is no negative reaction to the RFs, and the risk of related health problems is reduced.

Sympathetic Resonance Technology (SRT) products have also been suggested as a possible solution to mobile phone radiation exposure. SRT purportedly creates a passive, noninvasive resonance that strengthens a person’s biofield, which is the natural energy field produced by the human body. In so doing, SRT products allegedly protect against invasive RFs by increasing the body’s natural resistance to its effects.

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Discussion Comments


Dielectric heating is something that may be generated by a person using a cell phone. It's a reaction that living tissue has to microwaves being emitted from the phone. It's like a microwave oven only on a much smaller scale.

Most of the heating will occur near where the cell phone is in close proximity to the face. The temperature difference is usually less then a degree of change. You get more heat from having your face in the sun.

Your blood circulation is more than capable of compensating for the increased temperature. However there are studies that show the cornea of the eye doesn't have the same compensation and has caused cataracts in rabbits. There were no effects developed by monkeys exposed to the same conditions.

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