2G Cellphone Technology


2G Network
Second generation wireless telecom technology (2G) refers to telecommunication network technologies that were launched on the worldwide System for Mobile Communications (GSM) customary in 1991 by Radiolinja in Republic of Finland

 Advantages Of 2G Networks

Three primary advantages of 2G networks over their predecessors had been that cellphone conversations were digitally encrypted; 2G structures have been extensively more efficient on the spectrum allowing far greater wireless penetration tiers; and 2G introduced records services for cell, beginning with SMS text messages. 2G technology enabled the various networks to offer the services including textual content messages, photo messages, and MMS (multimedia messages). All textual content messages sent over 2G are digitally encrypted, allowing the transfer of records in this sort of way that best the supposed receiver can receive and read it.

After 2G was launched, the preceding cell wireless network structures had been retroactively dubbed 1G. At the same time as radio indicators on 1G networks are analog, radio signals on 2G networks are digital. All structures use digital signaling to connect the radio towers (which listen to the devices) to the rest of the cell system.

With general Packet Radio provider (GPRS), 2G offers a theoretical most switch speed of 50 kbit/s (40 kbit/s in practice).With edge (better data rates for GSM Evolution), there may be a theoretical maximum transfer speed of one Mbit/s (500 kbit/s in practice)

2G Disadvantage

2G cellphones required powerful digital signals to work, so they were unlikely to work in rural or less populated areas.
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