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Bluetooth Protocol Stack
•Bluetooth Physical Radio RF layer
•Defines how the basic hardware that controls the radio transmissions functions
•Data bits (0 and 1) are converted into radio signals and transmitted
•Equivalent to OSI Physical layer
•Bluetooth radio module
•The heart of the Bluetooth RF layer
•A single radio transmitter/receiver (transceiver)
•Only hardware required for Bluetooth to function (except Antenna)