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gptkbp:instanceOf
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gptkb:5G_technology
gptkb:cellular_network_standard
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gptkbp:access
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gptkb:subscriber_identity_module_(SIM)
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gptkbp:architecture
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gptkb:Mobile_Switching_Center_(MSC)
gptkb:Authentication_Center_(AUC)
gptkb:Base_Station_Controller_(BSC)
gptkb:Base_Transceiver_Station_(BTS)
gptkb:Equipment_Identity_Register_(EIR)
gptkb:Home_Location_Register_(HLR)
gptkb:Visitor_Location_Register_(VLR)
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gptkbp:competitor
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gptkb:PDC
gptkb:D-AMPS
gptkb:IS-95_(cdmaOne)
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gptkbp:dataRate
|
up to 14.4 kbps
|
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gptkbp:declinedAfter
|
2010s
|
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gptkbp:developedBy
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gptkb:European_Telecommunications_Standards_Institute
|
|
gptkbp:encryption
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gptkb:A5/1
gptkb:A5/2
A5/3
|
|
gptkbp:features
|
encryption
authentication
|
|
gptkbp:firstReleased
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gptkb:Finland
|
|
gptkbp:frequency
|
1800 MHz
1900 MHz
850 MHz
900 MHz
|
|
gptkbp:hasConcept
|
circuit-switched
packet-switched (with GPRS/EDGE)
|
|
gptkbp:hasServiceTo
|
voice calls
MMS
SMS
basic data services
|
|
gptkbp:improves
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gptkb:GPRS
gptkb:EDGE
|
|
gptkbp:introducedIn
|
1991
|
|
gptkbp:ISOStandard
|
IMT-2000 precursor
|
|
gptkbp:modulatedBy
|
gptkb:FDMA
gptkb:TDMA
|
|
gptkbp:primaryUse
|
mobile telephony
text messaging
basic mobile data
|
|
gptkbp:replacedBy
|
3G networks
|
|
gptkbp:shutdownIn
|
many countries by 2020s
|
|
gptkbp:SIMCardRequired
|
yes
|
|
gptkbp:standardizedBy
|
gptkb:3GPP
gptkb:GSM_1800
gptkb:GSM_1900
gptkb:GSM_900
gptkb:ETSI
gptkb:GSM_850
|
|
gptkbp:technology
|
gptkb:GSM
|
|
gptkbp:分布地区
|
over 200 countries
|
|
gptkbp:bfsParent
|
gptkb:A5/1
|
|
gptkbp:bfsLayer
|
7
|
|
http://www.w3.org/2000/01/rdf-schema#label
|
2G GSM networks
|