The synergies between our Railways and Communications lines of business allow us to provide clear "added value" for telecommunications solutions in the railway context. These synergies have led to the different projects undertaken:

- Coverage of tunnels with mixed aerial systems and radiant cable

- Tunnel repeater systems, both radio and fibre optic, where we also execute the fibre links between the repeaters and the Master Units

- Maintenance of the mobile networks of the operators who provide coverage to these infrastructures.

- Fibre optic links for interconnection between operator networks and the Adif carrier network.

We have accredited Pilots and Managers, allowing us to execute these projects autonomously and as “turnkey” projects.

- Radiant cable on lines 1, 4, 5 and 6 of Metro de Madrid

- Communication system in Loranca and Hortaleza Metro de Madrid sheds

- Fibre optics on Line 7 of Metro de Madrid

- Comprehensive system for covering tunnels in high-speed lines: Madrid-Lérida / Córdoba-Málaga / Orense-Santiago