One of the UK's leading mobile operators has warned that current service quality cannot be maintained unless more masts are constructed to cope with the increasing traffic.
T-Mobile, formerly One 2 One, told the BBC that service would suffer if campaigners thwarted attempts to build more masts.
The company expects the volume of mobile phone calls and text messages - not including third-generation traffic - to grow by 25 per cent over the next three years.
But residents in many areas are strongly against construction of antennae near homes or schools.
They argue that no more masts should be erected in such areas until more is known about the effects that low-level RF radiation may have on the long-term health of children.
Currently, placement of low-level sites does not require planning permission, and can be put up without protest.
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