What is BLE? Bluetooth® Low Energy (BLE), also known as Bluetooth® Smart, is a short-range radio technology for distances up to 10 meters operating at a frequency of 2.4 GHz. The main difference from RFID is that the information carriers (BLE devices) are active radio transmitters (beacons) and require a power source such as a battery. … Continue reading Solutions With BLE Technology – From Parking To Printing