GSM COVERAGE FOR GUDIÑA TUNNEL
Some zones in full deployment of AVE high-speed railway lines in Spain are in mountainous zone, remote from the major urban axes where the GSM communications are impossible. Bioaccez, in addition to its tunnel access control solutions, provides all kind of telecommunications solutions like GSM repeaters. The last deployment of this technology was carried out in the tunnel zone of the Spanish TGV in Gudiña, Galicia.