The document summarizes the mobile communications sector in the East of England region. It notes that the region contributes 25% of the UK's R&D spending, is home to over 330 wireless companies, and produces 2,500 graduates annually in key disciplines. It highlights several major companies in the region involved in mobile communications, including ARM, Qualcomm, Broadcom, CSR, and T-Mobile. The region also has various university research groups and industry partnerships focused on advancing wireless technologies.