The new EE masts will boost WiFi on Greater Anglia's modern trains. - Credit: Paul Geater Greater Anglia has teamed up with mobile provider EE to boost the WiFi signal on its trains across the region. The train operator commissioned the installation of new mobile phone masts at points along the railway where the signal has previously been weak to improve the on train WiFi and on-board systems that require a 4G signal. In total, 35 masts will be put up with11 in Suffolk, nine in Essex, eight in Norfolk, six in London and one in Cambridgeshire. So far 24 have been installed.