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'[PIC] RF Transceivers.'
2007\10\22@231404 by John Chung

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Futurlec just released a set of tranceivers

http://www.futurlec.com/Radio.shtml

Check it out. The pricing is great!

John

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2007\10\23@034638 by Nate Duehr

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On Oct 22, 2007, at 9:13 PM, John Chung wrote:

> Futurlec just released a set of tranceivers
>
> http://www.futurlec.com/Radio.shtml
>
> Check it out. The pricing is great!
>
> John

Neat.  Nice pricing too.

If you can, please consider using the 315 MHz, 413 MHz or 868 MHz  
ones, and avoid the 433 MHz and 915 MHz for the comfort of your local  
Amateur Radio operators and fellow hobbyists in electronics.  
Especially avoid the 438 MHz ones.

The 433 range is commonly used for "linking" FM repeater systems, and  
slightly lower at 432.1 is the most common place to do "weak-signal"  
operation on UHF.

Amongst other things, and it'd just "be nice" if less Part 15 crud  
were there when we go to use that portion of UHF... as a Secondary  
licensee on the band, far ahead of the Part 15 devices in the  
"heirarchy" of licenses, but increasing encroached upon by the hoarde  
of signals generated by cheap Part 15 devices.

--
Nate Duehr
spam_OUTnateTakeThisOuTspamnatetech.com



2007\10\23@041700 by Xiaofan Chen

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On 10/23/07, Nate Duehr <.....nateKILLspamspam@spam@natetech.com> wrote:
>
> On Oct 22, 2007, at 9:13 PM, John Chung wrote:
>
> > Futurlec just released a set of tranceivers
> >
> > http://www.futurlec.com/Radio.shtml
> >

> If you can, please consider using the 315 MHz, 413 MHz or 868 MHz
> ones, and avoid the 433 MHz and 915 MHz for the comfort of your local
> Amateur Radio operators and fellow hobbyists in electronics.
> Especially avoid the 438 MHz ones.
>
> The 433 range is commonly used for "linking" FM repeater systems, and
> slightly lower at 432.1 is the most common place to do "weak-signal"
> operation on UHF.
>

I am not sure if there are Amateur Radio operators here in Singapore
and Malaysia. I've never heard of them here.

Ok Google tells me the answer is yes.
http://www.ida.gov.sg/News%20and%20Events/20061219101807.aspx?getPagetype=21

http://www.sarts.org.sg/
http://www.marts.org.my/


Xiaofan

2007\10\23@043937 by John Chung

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--- Xiaofan Chen <xiaofancspamKILLspamgmail.com> wrote:

{Quote hidden}

www.ida.gov.sg/News%20and%20Events/20061219101807.aspx?getPagetype=21
>
> http://www.sarts.org.sg/
> http://www.marts.org.my/
>
>
> Xiaofan
> --
 I don think they are THAT active...... Will be using
them in some projects :)



John


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2007\10\23@114329 by William Benson

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Hi,

In the USA you can use 433MHZ but  with a max range of 50 Feet.  See FCC rule Part 15.231.  Most of the legal frequences in the USA for remote control in the range of 72-73 MHZ see  FCC rules Part 95. The USA and Europe frequencies and rules are very difference in what and where you can do and not do, Anything electronic transmitters you get off the internet make sure it is FCC approved and if it does not say FCC approval on it, you can bet it is not legal in the USA.  For more info call the FCC at 1-888-225-5322 and planned to be transfer several time before you get someone that know what he is talking about!

BEN

> Date: Tue, 23 Oct 2007 01:39:28 -0700> From: EraseMEkravnusspam_OUTspamTakeThisOuTyahoo.com> Subject: Re: [PIC] RF Transceivers.> To: piclistspamspam_OUTmit.edu> > > --- Xiaofan Chen <@spam@xiaofancKILLspamspamgmail.com> wrote:> > > On 10/23/07, Nate Duehr <KILLspamnateKILLspamspamnatetech.com> wrote:> > >> > > On Oct 22, 2007, at 9:13 PM, John Chung wrote:> > >> > > > Futurlec just released a set of tranceivers> > > >> > > > http://www.futurlec.com/Radio.shtml> > > >> > > > > If you can, please consider using the 315 MHz, 413> > MHz or 868 MHz> > > ones, and avoid the 433 MHz and 915 MHz for the> > comfort of your local> > > Amateur Radio operators and fellow hobbyists in> > electronics.> > > Especially avoid the 438 MHz ones.> > >> > > The 433 range is commonly used for "linking" FM> > repeater systems, and> > > slightly lower at 432.1 is the most common place> > to do "weak-signal"> > > operation on UHF.> > >> > > > I am not sure if there are Amateur Radio operators> > here in Singapore> > and Malaysia. I've never heard of them here.> > > > Ok Google tells me the answer is yes.> >> http://www.ida.gov.sg/News%20and%20Events/20061219101807.aspx?getPagetype=21> > > > http://www.sarts.org.sg/> > http://www.marts.org.my/> > > > > > Xiaofan> > -- > I don think they are THAT active...... Will be using> them in some projects :)> > > > John> > > __________________________________________________> Do You Yahoo!?> Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com >

2007\10\23@125100 by John Chung

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--- William Benson <RemoveMEben1son1TakeThisOuTspamhotmail.com> wrote:

>
> Hi,
>  
> In the USA you can use 433MHZ but  with a max range
> of 50 Feet.  See FCC rule Part 15.231.  Most of the
> legal frequences in the USA for remote control in
> the range of 72-73 MHZ see  FCC rules Part 95. The
> USA and Europe frequencies and rules are very
> difference in what and where you can do and not do,
> Anything electronic transmitters you get off the
> internet make sure it is FCC approved and if it does
> not say FCC approval on it, you can bet it is not
> legal in the USA.  For more info call the FCC at
> 1-888-225-5322 and planned to be transfer several
> time before you get someone that know what he is
> talking about!
>  
> BEN
>  
 Thanks Ben. I will keep it in mind if the product
does make it to US.

Regards,
John

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2007\10\25@213229 by Howard Winter

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Nate,

On Tue, 23 Oct 2007 01:46:30 -0600, Nate Duehr wrote:

{Quote hidden}

Unfortunately in the UK, 433 is the only option - the other frequencies you mention aren't unlicenced here.  And our 70cm Amateur band (on a Secondary basis) is
430-440 only - I believe the USA goes up to 450? - and we can't use 431-432 within 100km (about 62 miles) from the centre of London - nobody has ever said why!  
:-)

Cheers,

Howard Winter,  G1BYY
St.Albans, England


2007\10\25@224751 by Marcel Duchamp

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Howard Winter wrote:
> Unfortunately in the UK, 433 is the only option - the other frequencies you mention aren't unlicenced here.  And our 70cm Amateur band (on a Secondary basis) is
> 430-440 only - I believe the USA goes up to 450? - and we can't use 431-432 within 100km (about 62 miles) from the centre of London - nobody has ever said why!  


Easy.

That's the frequency of the remote control of the queens loo.  Can't
have that get jammed, now can we?

2007\10\25@225139 by Dr Skip

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Those freqs are probably used for a beacon for the Tardis...... ;)

Howard Winter wrote:
> and we can't use 431-432 within 100km (about 62 miles) from the centre of London - nobody has ever said why!  
> :-)
>
> Cheers,
>
> Howard Winter,  G1BYY
> St.Albans, England
>
>

2007\10\25@231426 by John Chung

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If the Tardis is in the same *time frame* as the
transmitted freq :D . Just can't wait for the next Dr.
Who season!

John


--- Dr Skip <spamBeGonedrskipspamBeGonespamgmail.com> wrote:

{Quote hidden}

> --

2007\10\26@050455 by Alan B. Pearce

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>and we can't use 431-432 within 100km (about 62 miles) from
>the centre of London - nobody has ever said why!

You can't get enough codes for garage door openers without affecting half
the street?

Now which garage shall I use today ...

2007\10\26@093412 by Carl Denk

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Who cares, the current series isn't anything like the previous ones. The
current is always (at least mostly) in London with zero cost set
fabrication, and the plot to overtake Earth, but maybe they are trying
to tell us something about aliens. ~:

Dr Skip wrote:
{Quote hidden}

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