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Bluetooth Technology Guide

We're excited about our new ezTalker Bluetooth® wireless headsets for cordless hands-free communications. ezTalker is compatible with all mobile phones that feature Bluetooth V1.1 technology. But what exactly is "Bluetooth" and what makes it unique?

Introduction
One of the newest technologies that has been announced for use with various personal electronic devices (mobile phones, PDAs, etc.) is called Bluetooth, named after a Danish King called Harold Bluetooth who was able to unite all of Denmark. Bluetooth is designed to provide local connections between devices and peripherals that are close in proximity to one another. These peripherals may include your PC for synchronization, a mobile phone for internet access or remote headphone support, and possibly internet access via an access point. Some call this concept a Personal Area Network or PAN.

Some Specifics
Bluetooth wireless technology is designed to support up to eight (8) devices operating within a small radius of 30 feet from each device with 2.4 GHz frequency spectrum. Bluetooth technology operates at one megabit per second for high speed communications. The one megabit connection is divided between a 64k connection for synchronous voice and a 768k connection for data so you can't get a true one megabit data connection. Some users are concerned about security and according to the Bluetooth consortium, the Bluetooth technology specifications includes device authentication, user authorization, and voice encryption features to ensure no one else is intercepting your communications.

Profiles
Services provided by Bluetooth technology are defined as a series of profiles. Profiles are described as usage scenarios for devices including the communication speed, voice support, etc. For example, there are profiles for voice for remote headsets, data emulating a serial connection, and for a network connection. So far each vendor has to define how they plan on using Bluetooth technology and which profiles will be supported. Each device that you wish to communicate with needs to support a profile that is compatible with a profile on your master device.

Versions
Currently there are two versions of Bluetooth technology: Bluetooth 1.0 and Bluetooth 1.1. With Bluetooth 1.0, users are required to "bind" with only one device at a time to use them with Bluetooth. With Bluetooth 1.1, users are allowed to communicate with up to eight (8) devices at the same time. Of course all of these devices must be compliant with Bluetooth 1.1 technology.

Conclusion
Bluetooth technology brings the promise of wireless interoperability between different electronic communication systems; mobile phones, PDAs, and computers. Based on our experience, it's not just hype. Bluetooth really does work and, best of all, it works well.

The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc.

 

 
 
 

 

 
 

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