Indra has implemented a digital communications system based on the Tetra standard, enabling voice and data transmission via a digital mobile radio network. The system is exclusively for the Buenos Aires Metropolitan Area (AMBA) rail network, one of the largest in the world with over 200 stations. Specifically, it serves the Sarmiento, Mitre, San Martín, Belgrano Sur, and Roca lines, handling a total of 1.2 million passengers per day, with over 250 stations connected and more than 300 trains in operation.
This is a secure and robust system that guarantees the availability of communications by facilitating the transfer of voice and data without loss or delay, both in normal rail operations and in emergency situations where commercial systems may fail or become overloaded. In this way, the new communication system improves the control and coordination of transport and is key to ensuring the best service and the highest level of safety for passengers.
The system also allows for the real-time location of vehicles and operators through the georeferencing signals of their communication terminals. This technology provides an accurate overview of available resources at any given time and place, facilitating decision-making and appropriate response in the event of an incident. Furthermore, thanks to a communications recording system, Indra's solution enables investigations, such as in the event of an accident, to determine what transpired.
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