Part II: The Java APIs for Bluetooth Wireless Technology. Oracle Technology Network > Java Software Downloads View All Downloads Top Downloads New Downloads.
Bluetooth-JavaME.pdf (application/pdf Object) Choosing a communication partner. Every Bluetooth chip ever manufactured is imprinted with a globally unique 48-bit address, which we will refer to as the Bluetooth address or device address.
This is identical in nature to the MAC addresses of Ethernet , and both address spaces are actually managed by the same organization - the IEEE Registration Authority. These addresses are assigned at manufacture time and are intended to be unique and remain static for the lifetime of the chip. It conveniently serves as the basic addressing unit in all of Bluetooth programming. For one Bluetooth device to communicate with another, it must have some way of determining the other device's Bluetooth address.
This address is used at all layers of the Bluetooth communication process, from the low-level radio protocols to the higher-level application protocols.