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Bluetooth Specifications

Below, you'll find several specifications bluetooth headphones bluetooth printer for the
well known Bluetooth:

1. Throughout the United States and even Europe,
the range of frequency is 2,400 - 2,483.5 MHZ, with
79 1-MHz RF (radio frequency) channels. The
frequency range bluetooth in Japan bluetooth is 2,472 to 2,497 MHz with
23 1-MHz RF channels.

2. A data channel of Bluetooth randomly hops 1,600
times per second between the 79 RF channels.

3. Each Bluetooth channel is divided into time
slots, with each one being 625 microseconds long.

4. A Bluetooth piconet has one master and up to
seven slaves. The master will transmit in even
time slots, while the slaves will bluetooth transmit in odd
time slots.

5. The data in a single packet can be up to 2,745
bits in length.

6. Currently bluetooth headset, there are two types of data transfer
between devices - SCO (synchronous connection
oriented) and ACL (asynchronous connectionless).

7. In a Bluetooth piconet, there can be up to
three SCO links containing 64,000 bluetooth headset bluetooth headset bits per second
with each one. To help avoid collision and timing
problems, the links of the SCO will use reserved
slots set up by the master.

8. A master can support up to three SCO links
with either one, two, or even three slaves.

9. The slots not reserved for the SCO links can
be used for ACL links.

10. A single master and slave can have one ACL
link.

11. ACL is either master to one slave (point to
point) or it broadcasts to all of the slaves.

12. The ACL slaves will only transmit when it has
been requested by the master. If the master doesn't
make the request bluetooth phones, the ACL slaves won't transmit
anything at all.

bluetooth deals and More
Bluetooth technology for wireless connectivity: Eliminate Those Clumsy Wires!

Mobiles phones are probably the best things to have happened to us in the past few years. Today, the...
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bluetooth deals Products we recommend
Pink Bluetooth Style Wired Handsfree Headset Headphones for Nextel i450 Boost Mobile i530 i560 i580

Pink Bluetooth Style Wired Handsfree Headset Headphones for Nextel i450 Boost Mobile i530 i560 i580

Black Bluetooth Style Wired Handsfree Headset Headphones for Nokia 6300 6315i

Black Bluetooth Style Wired Handsfree Headset Headphones for Motorola Q

bluetooth deals in the news
Deal or no deal? Tech site helps you decide - Seattle Times

Mon, 18 Feb 2008 08:17:21 GMT

Deal or no deal? Tech site helps you decide
Seattle Times, United States - Feb 18, 2008
One recent day, for instance, his company highlighted a Aliph Jawbone wireless Bluetooth headset for $79.99 on a Web site called JR.com. ...