The key difference between mobile and satellite phone devices
Posted Mar.11, 2010 in Satellite News
Communication plays a crucial role in the world today. In all areas of life from day to day business of crisis, we have the ability to contact other people who can do just a few minutes or across the world. We now have the opportunity to pick up a phone and talk to someone for granted.
In the last 20 years we have been doing more and more familiar with satellite technology, as it plays its role, providing us with TV and navigation in our cars and cell phones.
Satellite technology also plays a crucial role in communications today, from remote locations.
In contrast to conventional telephones, satellite telephones to communicate with a number of satellites orbiting the Earth. Forward signs with each other to ensure that the communication device of the receiver can be achieved on the ground. Still, it is important that the equipment for the satellite phone has a direct line of sight to the satellite. This means that the use of cell phones in one dense area, as used, for ex le, a center with high-rise or underground, like a cave is often compromised. A break in the line of sight to the satellite may mean that the speech may be distorted or even broken.
Satellite phones have evolved over the past 20 years. The first phones were introduced in the 90s and is often a problem to be. Since then, the two satellite operators, Iridium and Globalstar are built a clientele of more than 180,000 customers.
So, in summary of the main differences between the satellite phone and cellular phones is the infrastructure through which they operate. Instead of using the cellular towers for relatively small differences that separate the satellite phones to communicate directly with the network of satellites orbiting about 48,000 kilometers above the Earth.
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