Bluetooth
Bluetooth is an open wireless technology standard for transmitting fixed and mobile electronic device data over short distances. Bluetooth was introduced in 1994 as a wireless substitute for RS-232 cables.
Bluetooth communicates with a variety of electronic devices and creates personal networks operating within the unlicensed 2.4 GHz band. Operating range is based on device class. A variety of digital devices use Bluetooth, including MP3 players, mobile and peripheral devices and personal computers.
In contrast to other wireless technologies, Bluetooth equips its network and devices with high-level services like file pushing, voice transmission and serial line emulation.
Bluetooth features include:
Specifications based on frequency-hopping spread spectrum technology
Network communicates with a master Bluetooth device and is formed with up to seven devices
FreeBSD stack is executed with a Netgraph framework via short wavelength radio transmission signals.
Device technology includes confidentiality, key derivation and authentication via Secure and Fast Encryption Routine (SAFER)+ block cipher algorithms