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Types of mobile data networks
written 3.0 years ago by gravatar for teamques10 teamques10 ★ 65k modified 2.5 years ago by gravatar for binitamayekar binitamayekar ★ 6.4k
mobile communication
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written 3.0 years ago by gravatar for teamques10 teamques10 ★ 65k

GSM (Global System for Mobile Communications)

  1. Provides basic data services
  2. Provides voice service through digital network
  3. SIM card (Subscriber Identity Module card) stores phone number, connection information, and may store an address book.
  4. This allows a user to switch devices without needing to contact the service provider.

Note: BlackBerry’s cannot …

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