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May 01, 2007
Mobile Phones - How they
The mobile phone has become an ubiquitous accessory for the twenty-first century. We all have mobile phones, yet how many people have stopped to consider how they actually work? Did you know, for example, that a mobile phone is actually a form of two-way radio? Were you aware that neighboring cells use different frequencies and that phones need to switch frequencies as you move from one cell to the next in a
Posted by Rob at May 1, 2007 08:18 AM
