Tag: GSM-R

Transport & Logistics

Railways evolution in Brazil: Development of the Radio Frequency Spectrum

Many of us have experienced the frustration of not being able to place a mobile phone call in a crowded airport and some of us have had the experience of, when we turn for highways, perceiving the superposition of  radio station signals from one city to another. One reason why this happens is because there…

13 Aug 2013, by test test