GSM Global System for Mobile communications. |
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The most important aspect of GSM is its standardisation. This allows some one with a SIM card, to insert the SIM into any SIM Free GSM phone (with compatible frequencies) and the phone would work. This standardisation also applies to anywhere one goes with a GSM network. This is provided that the correct frequency of the card / network is available to that handset. GSM frequencies are: GSM 900 (BT Cellnet, Vodafone and most networks around the world) GSM 1800 (Orange, T-Mobile and some of the European networks) GSM 1900 (Used in USA and Canada) |
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