R-UIM
Also found in: Dictionary, Acronyms.
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.Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.