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Glossary > MobilePhone >Dual-band
Dual-band
Phones that can switch between two different bands of frequencies. All new phones in the UK are now dual-band, capable of switching between GSM1800 and GSM900 frequencies. Useful for travellers (particularly those on One 2 One and Orange), allowing roaming on a greater number of networks across the world. Vodafone and BT Cellnet also utilise dual-band capabilities in the UK by using 1800MHz bandwidth to solve capacity problems on their 900MHz networks. Phones that can switch between GSM900 and GSM1900 operation, for use by travellers to America (the Bosch World 718, Ericsson I888 and Ericsson T28 World), are also now available.
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