mobile gsm

  • GSM is Global System for Mobile Communications, a standard of numericmobile radio-telephony.
  • GSM is mobile telecommunication service that uses a SIM.
  • Handset interfaced using a SIM card.


  • is an acronym for Subscriber Identity Module. It is a portable memory chip used in some models of cellular telephones.
  • The SIM holds personal identity information, cell phone number, phone book, text messages and other data.
  • A SIM card enables the phone to receive signals from a mobile phone company.

Orange GSM is available in:

GSM prepaidGSM Postpaid