Bluetooth Specifications and updates for Bluetooth. See Xamarin + Bluetooth Bluetooth 4.0 Bluetooth Low-Energy (BLE) Bluetooth 4.0 introduces BLE technology. https://learn.adafruit.com/introduction-to-bluetooth-low-energy/introduction http://www.argenox.com/a-ble-advertising-primer/ Bluetooth 5.0 https://www.bluetooth.com/news/pressreleases/2016/06/16/-bluetooth5-quadruples-rangedoubles-speedincreases-data-broadcasting-capacity-by-800 http://www.androidauthority.com/bluetooth-5-speed-range-762369/