Ques : Advantages of GSM

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 • GSM is already used worldwide with millions of subscribers.

• International roaming allows subscriber to use a single mobile phone throughout
Western Europe. CDMA works in Asia, but not in France, Germany, the U.K.
and other popular European destinations.

• GSM is mature which started in the mid-80s which is more stable network with
robust features. CDMA is still building its network.
       i) GSM's maturity means engineers cut their teeth for the technology to
          create an unconscious preference.

• The availability of Subscriber Identity Modules, which are smart cards that
provide secure data encryption which gives GSM mobile commerce

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