GSM-R, Global System for Mobile Communications - Railway or GSM-Railway is an international wireless communications standard for railway communication and applications. A sub-system of European Rail Traffic Management System (ERTMS), it is used for communication between train and railway regulation control centers. The system is based on GSM and EIRENE - MORANE specifications which guarantee performance at speeds up to 500 km/h (310 mph), without any communication loss.
Frequency band:
In Europe, GSM-R uses a specific frequency band:
- 876 MHz — 880 MHz: used for data transmission (uplink)
- 921 MHz — 925 MHz: used for data reception (downlink)
Channel spacing is 200 kHz.
