Var systems BT BLE
8.9.2024 Var systems BT BLE Some fast food restaurants use digital spread spectrum FHSS 2.4 GHz drive-thru systems with Bluetooth connectivity. and LED systems with Bluetooth Management system in shopping centre area (Serial, CAN, BT ...) https://play.google.com/store/apps/dev?id=6884634465415948252&hl=en Connectable with e.g. serial bluetooth terminal app.