Train passengers can now use 4g in the approximately 50 km long channel Tunnel. This is made possible by the upgrade of the 3g network, with 4g equipment. Tunnelexploitant Eurotunnel is working jointly with four providers.
According to Eurotunnel, the creation of the necessary hardware in the channel Tunnel for almost three years to learn. One of the challenges that Alcatel-Lucent met with the installation of 4g equipment was the separation of gsm-p-movement, which is intended for normal telephone calls, and specifically for the railways developed gsm-r standard.