Transports Metropolitans de Barcelona (TMB) once again relies on the ADTEL service to work on the maintenance of the TETRA radio network that provides service to Barcelona buses. This technology of critical application is fundamental to carry out voice communications and SAE (Operating Assistance System) for more than 1,000 buses in service at TMB.
ADTEL collaborates with Rhode & Schwarz in the modernization of the Maritime Rescue Control Center (SASEMAR) in the Port of Cartagena. ADTEL is in charge of the supply, installation and commissioning of the microwave radio links required for communications that support the different elements that make up the SASEMAR control system in Cartagena. The technology used is ALCATEL.