Yes, there is such a device out there. I don't know anyone using one yet but
I have seen ads for it and read articles.
----- Original Message -----
From: "Anthony Vece" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, May 11, 2008 7:44 AM
Subject: Fw: Bluetooth technology: what is it, how does it work, and what
can I do with it?
> Hi Everyone;
>
> This article was sent to another list and I thought it would also be
> useful
> here.
>
> I have also heard of people using Bluetooth headsets with amateur radio.
>
> I believe their may even be a device out there that will let you connect
> your Bluetooth headset to an amateur radio.
>
> 73 De Anthony W2AJV
> [log in to unmask]
> ECHOLINK NODE NUMBER: 74389
>
>
> ----- Original Message -----
> From: Anthony Vece
> Sent: Sunday, May 11, 2008 7:40 AM
> Subject: Bluetooth technology: what is it, how does it work, and what can
> I
> do with it?
>
>
> Hi Everyone;
>
> Since practically all of us use Bluetooth technology in one way or
> another,
> I thought this article would be useful.
>
> Enjoy
>
> Anthony
>
>
>
> Source:
> http://kb.palmone.com/SRVS/CGI-BIN/WEBCGI.EXE?New,Kb=PalmSupportKB,ts=Palm_E
> xterNal2001,case=obj(20821)
>
> Bluetooth technology: what is it, how does it work, and what can I do with
> it?
> BluetoothR technology is a wireless standard developed by the Bluetooth
> Special Interest
> Group, or Bluetooth SIG (
> website
> ), an industry association of electronics manufacturers. The Bluetooth
> standard ensures
> that many different types of devices with wireless capabilities (Bluetooth
> headsets,
> PCs with Bluetooth cards, Bluetooth mobile phones, Bluetooth keyboards,
> Bluetooth
> handhelds, etc.) can communicate with each other without the need for
> extensive setup
> by the user. Bluetooth devices usually talk to each other seamlessly and
> automatically.
> The Bluetooth radio
> You may have heard mention of the "Bluetooth radio." In this context, a
> radio means
> any device that transmits a wireless signal. One type of radio is the
> AM/FM
> radio
> you're familiar with, but there are many other types of radios, including
> the GSM
> or CDMA radio in your mobile phone that transmits your conversation to the
> cell tower,
> and the very small Bluetooth radio in all Bluetooth devices.
> Bluetooth technology uses the 2.45 GHz (gigahertz) frequency. 2.45 GHz is
> a
> widely
> used frequency known as ISM (Industrial, Scientific and Medical). A number
> of other
> wireless technologies also use the ISM frequency, including 802.11 (Wi-Fi)
> devices
> and cordless phones. Bluetooth, 802.11 and the other wireless technologies
> can coexist
> peacefully on the same frequency because they use vastly different
> standards. A Bluetooth
> device will never mistake an 802.11 communication as a Bluetooth
> transmission.
> Bluetooth devices transmit a 1 mW (milliwatt) signal that travels about 10
> meters
> (that's about 33 feet), or up to 100 meters with a power boost. Because
> the
> Bluetooth
> radio is very small, it can fit into many different electronic devices,
> including
> handhelds, SD expansion cards and earbud headsets.
> Bluetooth technology employs "spread-spectrum frequency hopping": it
> regularly switches
> transmitting among 79 individual random frequencies. The switch happens
> 1,600 times
> per second, so it's improbable that two Bluetooth devices will be using
> the
> same
> frequency at the same time. This makes it possible to have many different
> Bluetooth
> enabled devices running in close proximity at the same time without
> interfering with
> each other.
> Personal Area Networking and Bluetooth Pairing
> When a Bluetooth device senses a transmission from another Bluetooth
> device,
> they
> start talking automatically. This conversation is called a Personal Area
> Network
> (PAN). The beauty of Bluetooth is that the PAN doesn't have to be set up
> manually;
> it just "happens" when two or more willing Bluetooth devices come into
> range
> of one
> another.
> Sometimes, however, you may not want your Bluetooth device to communicate
> with every
> Tom, Dick and Harry within range. In the handheld world, there are two
> basic
> ways
> to protect your security with Bluetooth technology.
> First, you can turn off the Discoverable
> setting on your device. When a Bluetoth device is Discoverable, it
> broadcasts its
> existence to other Bluetooth devices and announces that it is available
> for
> Bluetooth
> communications. When you turn off discoverability, your device will not
> appear when
> other Bluetooth devices trawl the airwaves for partners. This can come in
> handy if
> you're in a public space with curious Bluetooth-bearing strangers.
> Second, Palm Bluetooth handhelds, and many other Bluetooth devices, can
> use
> a Passkey
> (PIN)
> to allow or deny unmitigated communication. A Passkey is a code entered on
> both
> devices that lets the sending device skip authentication every time it
> attempts to
> communicate with the other device. This is known as a
> Trusted Pair
> . Depending on the device, you may set up a Passkey on the fly (as long as
> you enter
> the same code on both devices), or, on simpler devices like headsets, the
> Passkey
> is pre-set and you can't change it. Consult the documentation for your
> Bluetooth
> device to learn more about Passkeys and pairing.
> More on Bluetooth Pairing from a Palm perspective
> .
> Bluetooth Profiles
> So far, we've talked about Bluetooth radios and communication, but what
> can
> you actually
> do
> with Bluetooth technology? The short answer: a lot. So much, in fact, that
> no single
> device incorporates all possible capabilities of Bluetooth technology. The
> Bluetooth
> specification combines a number of differing capabilities and technologies
> under
> one umbrella. These vastly different functions are organized into
> Bluetooth Profiles
> that describe a general group of functions. Bluetooth Profiles ensure that
> two devices
> that claim the features of a particular profile can interact on a basic
> level. This
> is part of what makes Bluetooth technology so flexible: an assurance of
> basic compatibility
> between two devices that may differ greatly.
> Learn more about Bluetooth Profiles
> .
> What can you do with Bluetooth technology?
> The Bluetooth standard is constantly being examined and updated by the
> Bluetooth
> SIG. As other technologies expand and do more, more Bluetooth Profiles are
> added
> to keep up with the demand for new wireless lifestyles. That's the general
> overview;
> for a specific handheld viewpoing, see our
> comprehensive list of everything Palm Bluetooth handhelds can do
> .
> What does the word "Bluetooth" mean?
> Impress your friends with this bit of knowledge: Bluetooth was named for
> the
> 10th
> Century
> Danish King Harold Bluetooth
> , who unified several kingdoms under one banner. Rumor has it that the
> founders of
> the Bluetooth consortium (including Nokia from Finland and Ericsson from
> Sweden)
> were referring to the fusion of many competing standards under one
> international
> specification.
> More information
> Bluetooth is an emerging technology. We've gathered a few third-party
> websites that
> contain Bluetooth information.
> Bluetooth.com
> (the official Bluetooth website
> Bluetooth.org
> (Bluetooth Special Interest Group, Inc.)
> How Bluetooth Works
> (from How Stuff Works)
> An Introduction to Bluetooth
> (from Wireless Developer Network)
> Sysopt.com: Bluetooth technology and implications
> (an ancient article from 1999, but still relevant)
>
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