R-UIM

(Removable User Identity Module) A removable smart card that is used in CDMA cellphones. The R-UIM is a superset of the SIM card used in GSM phones, and like SIM cards, allows CDMA subscribers to use a different phone by moving their R-UIM cards to the new phone. See CSIM and SIM card.

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Individual subscribers on wireless networks can be authenticated and identified using R-UIM smart cards, enabling them to take their personal information and subscription with them as they roam and from phone to phone.

SIM cards from Gemplus are already used in the iDEN Mike phones from TELUS and R-UIM cards are currently used by around 40 other CDMA operators.

TELUS requests R-UIM cards

Mobile phone technology company, SmartTrust, and smart card company, I'M Technologies have announced that they have successfully implemented the industry's first Removable-User Identity Module (R-UIM) interpreter.

The company claims that the new development - based on SmartTrust WIB - will allow for OTA management of R-UIM cards and has been successfully tested on a larger Asian CDMA network belonging to an Asian CDMA operator.