A satellite phone or sat phone is a type of mobile phone based on the concept of advanced satellite technology, or the ability to connect to satellites in orbit. Phones to send and receive calls via orbiting satellites instead of relying on landlines or signals from cell towers. They function as mobile phones and can include voice, SMS service, email, or even Internet access to low bandwidth when associated with a GSM cellular network. Depending on individual system design, coverage may include all the land, or only to certain regions.
The advantages of using a satellite phone is remarkable despite the increased size of the phone and the high cost. The key is that it only requires an unobstructed line of sight to the sky and can be called from anywhere. A phone such as this will work on a safari in the jungle, atop the Himalayas, or from a clearing in the Black Forest.
The satellite phone is an invaluable tool for every trip, whether at sea or in the air, where another type of communication is available. This flexibility is ideal for the military, emergency personnel, or anyone who dares to venture out into the remote areas of a region or the world.
Consistently reliable service is guaranteed. Satellite service is immune from power outages, poor weather, or natural disasters.
The support it offers in a disaster prevails. In sudden emergencies, satellites do not become overloaded, but provide seamless communication. During an earthquake, terrorist attack, or local power failure, satellite service is unaffected.
Network coverage is unparalleled and is available where cellular or landline coverage is not available or very limited for your usage.
There are different types of satellite phones based on different specifications. With further advances in satellite technology this has opened these phones to customers, not limited to government use. They can be powerful enough to cover the entire globe as its communication range; however, most of the satellite phones available for customers are designed for use within specific zones.
Newer sat phones are small enough for a remote traveler to carry in case of emergencies. Exact coverage depends on the satellite network and its orbital paths, as in Polar Regions or just East Asia. Some networks provide service to the entire earth. They currently have to be used outdoors with a clear path to the sky, however, in the not too distant future the handheld models will be available to work anywhere at all. The advantages for this technology may be unlimited.
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