Most of the UK has access to 4G and 5G signal, but in some places the lack of it causes serious disruption.
Applicants say the benefits of improved connectivity outweigh the risk of harm to the heritage site.
Sure mobile said upgrades to the network were causing issues for some customers.
Milo Creese, from Surrey, targeted an Indian restaurant and 5G masts, a court hears.
Equipment known as small cells have been attached to lampposts to boost signals in Canterbury.
Work is being done to minimise issues reported during a multimillion-pound network upgrade.
A council is considering technology involving street furniture to improve so-called mobile notspots.
The 30m (98ft) mast will replace an existing one of similar height at Broad Lane, Nether Poppleton.
