Bluetooth is a normalized RF communication protocol defined by industry leaders for maximum interoperability between devices such as a barcode scanner and a computer. Bluetooth is a normalized RF communication protocol defined by industry leaders for maximum interoperability between devices such as a barcode scanner and a computer. It guarantees communications and data transmission and is very reliable due to frequency hopping technology. Most of all, thanks to very low power consumption, Bluetooth is ideal for Barcode Scanners and other handheld devices.