Welcome to TopNetUK. This
site allows you to compare the geographic network performance and voice call
quality of each of the GSM mobile network operators: O2, Orange, Vodafone and
T-Mobile.
The Operators have commissioned an independent test company to regularly drive
around the United Kingdom making in-car test calls on all four networks on
selected roads, motorways and in selected towns and cities.
Surveys are ongoing and updates are scheduled weekly.
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