This metric illustrates how often your systems should expect fresh data from the vehicle. Each brand updates data on its own speed. Note that more frequent is not necessarily better, rather think about your use case needs as a starting point.
Using telematics devices, cars can distribute data for many purposes for an end-user. Car data is created by electrical sensors linked to the ECU or Electronic Control Unit. An ECU is linked to an onboard telematics device which transmits live data. A user in a central location receives this data over the air, with an end interface that can be configured in a way that works for their business. Many car attributes can be transmitted live or at set intervals using GPS and mobile data networks.Using car data, fleet management companies analyse their vehicles to help reduce costs, prevent maintenance issues and schedule service appointments in advance. Governments and councils can use car technical data to manage traffic better. Insurance companies can have real-world use cases for their customers, and introducing smart cities with connected cars results in more efficient infrastructure. Most importantly, emergency services receive live vehicle data to accurately locate an accident, with automatic triggers to call ambulances if the vehicle senses it is in a severe accident.
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