1. 
   GSM-R
   Global System for Mobile communications - Railway. A replacement for existing radio systems.
   Found op http://www.scot-rail.co.uk/page/Glossary
   
   
2. 
   GSM-R
   A PMR system based on GSM, originally developed for the UIC (railways) and sold by Ericsson as GSM-Pro.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
3. 
   GSM-R
   Global System for Mobile Communications
   Found op Railways
   
   
4. 
   GSM-R
   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...
   Found op http://en.wikipedia.org/wiki/GSM-R
   
   

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