GSM

GSM cell site antennas in the Deutsches Museum, Munich, Germany

GSM (Global System for Mobile Communications, originally Groupe Spécial Mobile), is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation (2G) digital cellular networks used by mobile phones, first deployed in Finland in July 1991. As of 2014 it has become the default global standard for mobile communications - with over 90% market share, operating in over 219 countries and territories.

单词	Global System For Mobile Communications
释义	Global System For Mobile Communications 英语百科 GSM GSM (Global System for Mobile Communications, originally Groupe Spécial Mobile), is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation (2G) digital cellular networks used by mobile phones, first deployed in Finland in July 1991. As of 2014 it has become the default global standard for mobile communications - with over 90% market share, operating in over 219 countries and territories.
随便看	dint的意思 DINTY的意思 Dinu的意思 Dinuba的意思 dinucci的意思 dinuclear的意思 dinuclear aromatic的意思 dinuclear aromatics的意思 dinuclear complex的意思 dinucleon的意思 dinucleophile的意思 Dinucleoside Diphosphates的意思 Dinucleoside Monophosphates的意思 Dinucleoside Oligophosphates的意思 dinucleoside phosphates的意思 Dinucleoside Polyphosphates的意思 dinucleoside tetraphosphate的意思 Dinucleoside Tetraphosphates的意思 Dinucleosidetriphosphatase的意思 Dinucleoside Triphosphates的意思 dinucleosome的意思 dinucleosomes的意思 dinucleotide的意思 Dinucleotide,Dihydronicotinamide Adenine的意思 dinucleotide frequency的意思

Global System For Mobile Communications

GSM