NETWORKS

O2
Background : Formerly BT Cellnet, O2 launched its digital mobile
operations in the UK in 1994.
Bandwidth : GSM900

VODAFONE
Background : Appearing in 1991, Vodafone’s GSM network was
the first digital cellular service in the UK.
Bandwidth : GSM900

ORANGE
Background : Orange launched its digital network 1994.
Bandwidth : GSM1800

T-MOBILE
Background : T-Mobile started out life under the name of
One2One in 1993. It became T-Mobile in 2002.
Bandwidth : GSM1800

VIRGIN MOBILE
Background : Virgin Mobile is a ‘virtual’ network, known as
an ( MVNO ). It operates in the UK using
T-Mobile’s network infrastructure.
Bandwidth : GSM1800

3
Background : 3 was the UK’s first Third Generation ( 3G )
mobile network, launched in March 2003.
Bandwidth : When not logged on to the 3G network,
users roam on Orange’s GSM network.

( From “TOTAL MOBILE” November 2006 )

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