Covid 19 Update: Given the current global situation, we have paused the delivery of our LiveOnsite courses, but our LiveOnline and OnlineAnytime Packages remain unaffected. Browse over 50 online courses in our course catalogue, or get in touch to register your interest in future LiveOnsite courses when we are able to safely resume in person training.

R-UIM - Removable User Identity Module

The R-UIM is a removable variant of a UIM (User Identity Module) which can be physically removed from a ME (Mobile Equipment) and inserted into another ME. This removal into another ME will be dependant on compatible ME/UIM interfaces.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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