GSM-R, Global System for Mobile Communications – Railway or GSM-Railway is an international wireless communications standard for railway communication and applications.
GSM-R mast and cabinet, Abergavenny, Wales
GSM-R Repeater at Dean Clough, Bolton, NW England
GSM-R directional antennas pointing into the east end of the Freudenstein tunnel, Germany
GSM-R 'Shark's-Fin' Mobile Antenna as fitted to a substantial amount of UK rail motive power
A leaky feeder is a kind of antenna used for communication in mines, tunnels, and other enclosed spaces. The commercial name radiating cable emphasizes that it is designed to radiate, unlike most cabl
GSM-R
…GSM-R is typically implemented using dedicated base station masts close to the railway, with tunnel coverage effected using directional antennae or 'leaky' feeder transmission. The distance between the base stations is 7–15 km (4.3–9.3 mi). This creates a high degree of redundancy and higher availability and…
Diagram of leaky feeder cable