Technology developed by this Berkshire firm enables wireless data transmission from devices such as drones, vehicle trackers and card payment systems, used by more than four million subscribers in 60 countries. Three acquisitions in France and Holland in 2019 helped overseas sales reach £39.9 million in the year to April 2020. During the pandemic, it has developed digital vending machines and helped vulnerable people to stay connected with devices. Led by chief executive Oliver Tucker, 58, it is majority-owned by Montagu Private Equity.