Bluetooth technology, the best ally to detect COVID-19 cases through smartphone contact tracing

A study carried out by researchers at the Universitat Politècnica de València (UPV) and published in the IEEE Access journal concludes that Bluetooth technology is the best ally to detect possible COVID-19 cases through smartphone contact tracing. The key is the high level of precision, higher than other technologies, such as GPS, cell phone networks and Wi-Fi.