2G (nebo 2-G) je zkratka pro 2. generaci bezdrátové telefonní technologie mobilního telefonu. GSM 2G je schopen přenášet data, SMS, digitální hlasový hovor, či ostatní základní pomocná data, jako např. datum a čas. Služby 2G byly v USA často uvedeny jako Personal Communications Service (PCS). Technologie 2G jsou rozděleny do A cell site is a location or “site” where a mobile network operator installs a 2G, 3G, 4G or 5G radio base station (cell tower). Mobile operators own or rent many cell sites within a country to place their base stations in order to provide nationwide cellular coverage to their customers. One cell site may contain the necessary radio Network Coverage Maps. GSMA Members continously update their network coverage and submit their latest coverage data to the GSMA. All of our members' latest network can be seen here. Simply select the country you are visiting and the operators in that country will be listed. Select country or area. Select network operator. GSM (2G, 3G) GSM is the second-generation mobile telephone system and includes 2G and 3G. Primarily designed for voice, the standards also support SMS and GPRS data. They are proven, widely adopted standards, with hardware available at low cost. Many mobile operators are in the process of shutting down 2G and 3G networks in favour of newer Vodafone to switch off UK 3G network by end of 2023. Mobile operators spent a staggering £22.5bn at the auction of the UK spectrum in 2000, as the promise of billions in new revenues from
Thus, GPRS was stuck between generations of 2G, which he excelled in, and 3G, which he did not reach. 2.75G. As an easy way for GSM network operators to get the most performance from 2.5G installations without investing serious money in updating equipment, EDGE standard or Enhanced Data-rates for GSM Evolution was born.
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is gsm 2g or 3g