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iPhone Antenna

Why am I experiencing signal loss on my iPhone?

The opposite of amplification, attenuation happens whenever a signal is obstructed. All antennas including television, radio, GPS, and cellular antennas can experience attenuation. And with most antennas, the density and composition of the human hand can cause attenuation to a greater degree than some other materials. On a mobile phone, signal loss typically occurs when your hand attenuates the most sensitive part of the antenna.

The external antenna on iPhone 4 is located in the stainless steel band. The attenuation weak spot is the black strip in the lower left corner of the band.

Two iPhones got married. It was a lovely ceremony, but the reception was awful. Apparently they held it in the wrong place...

Obviously, the rubber ducky antenna design pictured above is not a realistic method to boost your signal!

However, a very real and practical solution to minimize signal loss is to get an affordable well made case for youe iPhone 4G so you can avoid the skin to frame contact that will attenuate your signal.

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Revised: 07/05/2011