Satellite Phone (GMPCS) is a terminal device acts like a normal mobile. Satellite phones connect to satellites orbiting around the earth. Satellite phones rely on a network of satellites that are either fixed above the Equator (Geostationary) or in Low Earth Orbit (LEO) anywhere from 500 to 1,000 miles above the earth. Satellite phones are rarely affected by violent storms and depending upon their system architecture they can work virtually anywhere in the world. The satellite phone are the best mode of communication where no cellular coverage exists. The most popular Satellite phones are from Thuraya, iridium and Inmarsat (IsatPhone, IsatPhone Pro and IsatPhone 2).
In the last few years, there has been tremendous growth in the satellite phone market .Since the service provided by satellite phones are good and can be used anywhere at any point of time. This makes satellite phones a favourite mode of communication for terrorists, criminal to contact their counter parts.
Shoghi Communication has developed various systems to enable the defence and law enforcement organisation to intercept the Satellite Phones which are working on Thuraya, Inmarsat and Iridium.