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brings one of the main advantages of GSM to CDMA network phones. By having a removable identity card, CDMA users can change phones while keeping their phone numbers by simply swapping the cards. This simplifies many situations such as phone upgrades, phone replacements due to damage, or using the
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application. The card also contains SIM (GSM) application, so it can work on both networks. It is physically compatible with GSM SIMs and can fit into existing GSM phones as it is an extension of the GSM 11.11 standard.
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100:) to coexist on a single smartcard, allowing the card to be used in virtually any phone worldwide that supports smart cards.
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card to CDMA phones and networks. To work in CDMA networks, the R-UIM contains an early version of the
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The CSIM application, a port of R-UIM functionality to the UICC, is defined in standard.
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96:. This technique allows all three applications (SIM, CSIM, and
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57:, usually pronounced as "R-yuim") is a card developed for
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in 2008). However, it is also used elsewhere such as
114:(The CDMA service of China Telecom was acquired from
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network with R-UIM interface (extension at the front)
85:same phone on a different provider's CDMA network.
245:TIA Standardizes Removable User Identity Modules
333:3rd Generation Partnership Project 2 standards
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250:Why do CDMA Subscribers Need the R-UIM?
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88:The R-UIM card has been superseded by
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164:Universal subscriber identity module
106:This form of card is widely used in
328:Mobile telecommunications standards
65:("CDMA") handsets that extends the
281:. You can help Knowledge (XXG) by
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152:CDMA subscriber identity module
51:Removable User Identity Module
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158:Subscriber identity module
110:under the CDMA service of
338:Telecommunications stubs
273:This article related to
195:"www.3gpp2.org C.S0023"
42:wireless modem for the
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225:www.3gpp2.org C.S0065
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275:telecommunications
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252:– PDF whitepaper
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200:. Archived from
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256:Dual-mode R-UIM
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36:Sierra Wireless
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207:on 2007-09-27
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112:China Telecom
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38:AirCard 555R
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283:expanding it
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209:. Retrieved
202:the original
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116:China Unicom
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44:China Unicom
322:Categories
211:2007-05-01
181:References
138:, and the
124:Indonesia
82:interface
240:Qualcomm
146:See also
136:Thailand
63:CDMA2000
27:IC-Card
59:cdmaOne
40:PC Card
166:(USIM)
154:(CSIM)
132:Taiwan
277:is a
205:(PDF)
198:(PDF)
170:W-SIM
160:(SIM)
128:Japan
120:India
108:China
80:This
55:R-UIM
279:stub
175:MEID
98:USIM
94:UICC
90:CSIM
74:CSIM
21:KDDI
92:on
70:SIM
67:GSM
23:'s
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140:US
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