Bluetooth is a wireless technology for creating personal networks operating in the 2.4 GHz unlicensed band, with a range of 10 meters. Networks are usually formed ad-hoc from portable devices such as cellular phones, handhelds and laptops. Unlike the other popular wireless technology, Wi-Fi, Bluetooth offers higher level service profiles, e.g. FTP-like file servers, file pushing, voice transport, serial line emulation, and more.
Advantages:
- Wireless.
- No setup needed.
- Industry wide support.
Disadvantages:
- short range (10 meters).
- Mostly for personal use.
- Fairly expensive.
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