Global System for Mobile Communications (GSM)

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:International_Standard
gptkbp:abbreviation	gptkb:GSM
gptkbp:access	gptkb:FDMA gptkb:TDMA
gptkbp:architecture	cellular
gptkbp:competitor	IS-136 (D-AMPS) IS-95 (CDMA)
gptkbp:dataRate	up to 14.4 kbps
gptkbp:developedBy	European Telecommunications Standards Institute (ETSI)
gptkbp:emergencyServices	112 911
gptkbp:encryption	gptkb:A5/1 gptkb:A5/2 A5/3
gptkbp:firstCommercialNetwork	Radiolinja (Finland)
gptkbp:firstCommercialServiceYear	1991
gptkbp:frequency	1800 MHz 1900 MHz 850 MHz 900 MHz
gptkbp:hasConcept	gptkb:HLR gptkb:VLR gptkb:BSC gptkb:EIR gptkb:BTS gptkb:MSC AUC
https://www.w3.org/2000/01/rdf-schema#label	Global System for Mobile Communications (GSM)
gptkbp:improves	gptkb:GPRS gptkb:EDGE
gptkbp:introducedIn	1991
gptkbp:modulatedBy	gptkb:GMSK
gptkbp:predecessor	analog cellular systems
gptkbp:roadType	2G
gptkbp:roamingSupport	international
gptkbp:standardizedBy	gptkb:3GPP
gptkbp:successor	gptkb:UMTS LTE
gptkbp:supports	gptkb:short_message_service_(SMS) international roaming SIM cards fax services circuit-switched data
gptkbp:technology	digital
gptkbp:usedFor	data transmission mobile telephony SMS
gptkbp:voiceCodec	Enhanced Full Rate (EFR) Full Rate (FR) Half Rate (HR)
gptkbp:分布地区	over 200 countries
gptkbp:bfsParent	gptkb:Mobile_Networks
gptkbp:bfsLayer	7