LG U830 User Guide - Page 171

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Glossary 2G Second Generation wireless communication system. 2G system supports low quality voice and low-rate packet-data service. 2G refers to GSM in European countries, and CDMA in America. 3G Third Generation wireless communication system. 3G means next generation wireless communication system developed based on the second generation wireless communication systems. 3G system supports real-time communication service and high-rate packet-data service. 3G refers to UMTS developed based on GSM in European countries, Access point Access point refers to a point through which users can connect to the network so that the users can use the network services. AMR Adaptive Multirate codec. A voice codec developed by ETSI for GSM. AMR supports 8 coding rates (from 4.75 to 12.2Kbps) so as to adaptively provide the quality of voice service in various radio channel conditions. 167

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167
2G
Second Generation wireless communication system. 2G system supports low
quality voice and low-rate packet-data service. 2G refers to GSM in European
countries, and CDMA in America.
3G
Third Generation wireless communication system. 3G means next generation
wireless communication system developed based on the second generation
wireless communication systems. 3G system supports real-time communication
service and high-rate packet-data service. 3G refers to UMTS developed based
on GSM in European countries,
Access point
Access point refers to a point through which users can connect to the network
so that the users can use the network services.
AMR
Adaptive Multirate codec. A voice codec developed by ETSI for GSM. AMR
supports 8 coding rates (from 4.75 to 12.2Kbps) so as to adaptively provide the
quality of voice service in various radio channel conditions.
Glossary