What Is Bluetooth?

What is Bluetooth?

Bluetooth is named for the 10th century Danish King Harald Bluetooth, an orator of the day who managed to get warring parities to find common ground. The good king was a master of diplomacy and was known to get negotiations started. Thus the Bluetooth wireless protocol is an apt name as it gets devices those “never easily connected” devices to come together quite easily as well. Bluetooth is also known as the IEEE 802.15.1, an industrial standard for wireless PANs. What it does is provide a way to exchange information between devices, such as laptops, PCs, printers, PDAs, mobile phones and car stereos across a secure, unlicensed short-range radio frequency.

For business users, “The primary advantage of Bluetooth is the convenience of eliminating wires,” says Brian O’Rourke, senior analyst for In-Stat, a Scottsdale, Ariz. market research firm.

How Does Bluetooth Work?

Essentially Bluetooth is a radio and communications protocol that works best with low power consumption devices such as PDAs, mobile phones, headsets and digital cameras. When these devices come within range of each other they can communicate, but they do not necessarily have to have true line of sight so the devices can even be in adjacent rooms – provided the power is strong enough. There are actually three classes of Bluetooth transmission power, and the range can vary from one meter up to 100 meters.

Bluetooth is optimized for short-range, point-to-point communication, adding that this wireless protocol works well as communication protocol in a small space. “It is best suited for scenarios such as mobile phone - headset, or game controller - game console. Wi-Fi is a networking technology, optimized for higher data rate, longer range applications.”

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