The ferrite sleeve is a reusable radiation suppression clamp-on device similar to a clamshell. This device clamps over the headset wire above the plug that is inserted into the phone. It incorporates a ferrous composition based material which interacts directly with the high frequency energy and suppresses it effectively while allowing the voice signal to pass through to the earpiece unimpeded. The housing is a white or black composite manufactured using nylon resins. FITS ANY HEADSET! The effect of magnetic material on a conductor Current flowing through a conductor creates a magnetic field around it. Transfer of energy between the current and the magnetic field is effected through the "inductance" of the conductor - for a straight wire the self-inductance is typically 20nH per inch. Placing a magnetically permeable material around the conductor increases the flux density for a given field strength and therefore increases the inductance. Wires or cables connected/extending from electronic devices using radio waves (such as cell phones), if not shielded will emit over ambient RF radiation levels. To suppress high frequency RF radiation from interacting with sensitive biologic systems (cell phone users), we offer a clamp-on ferrite suppressor. Our ferrite sleeve effectively shields the harmful electromagnetic fields from traveling along cell phone headset wires. Using a cell phone with a hands free headset that is NOT shielded will dramatically increase RF radiation exposure to DNA within vital organs. All studies have proven the likelihood that microwave radiation from a cell phone handset is hazardous. The ferrite sleeve helps prevent the possible 300% increase in RF Exposure to the brain that can happen when not using a shielded headset! FREE SHIPPING! |
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