The Covid Watch app uses Bluetooth signals to exchange random IDs. The range of Bluetooth is typically 10 meters (33 feet) but can vary depending on the equipment and environment such as the thickness of the wall between two devices.
The Covid Watch app uses Bluetooth signals to exchange random IDs. The range of Bluetooth is typically 10 meters (33 feet) but can vary depending on the equipment and environment such as the thickness of the wall between two devices.