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A Comtech EF Data Focus: Performance Challenge Of 3G Over Satellite

Thursday, September 01, 2016   (0 Comments)
Posted by: SatMagazine
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Mobile telephony has been in existence for more than 40 years—the first generation (1G) developed in the 1970s was based on analog standards, including Advanced Mobile Phone System (AMPS) and Nordic Mobile Telephone (NMT).

In the early 1980s, standardization of a second generation (2G) digital circuit switched mobile telephone system based on the Global System for Mobile Communications (GSM) standard began. The first GSM-based voice call was made in 1991.

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