GB Tecnología has provided the services of revision and preventive and corrective maintenance of the alarm system for a Costa Rican utilities, in the facilities that it has in the province of Limón, these works have been carried out for more than 10 years. All the tasks are carried out by our highly qualified personnel, where their functions are to carry out the review of the equipment, measurements of the electrical parameters, cleaning of the cabinets, preparation of reports with proposals for improvement and the replacement of all damaged components.