RE: two way radio

["Robert Eliassen" <robel@xxxxxxx>]

Ah, so you're like going to telnet into a Linux box via radio! 

Ok, so the clue here is "I want to control my Linux box 20 miles away, and
there is no other way but via radio". 

The good news is that dual-mode GMRS/FRS equipment is approved in Brazil
according to http://en.wikipedia.org/wiki/Family_Radio_Service

When it comes to legal modifications and the legal use of data communication
you should Google (in you language) for answers.

Assuming it's legal, the rest is pretty straight forward. You can check out
http://www.faqs.org/docs/Linux-HOWTO/AX25-HOWTO.html although it's pretty
old. 

73
Bob, LA6GHA

-----Original Message-----
From: linux-hams-owner@xxxxxxxxxxxxxxx
[mailto:linux-hams-owner@xxxxxxxxxxxxxxx] On Behalf Of Eduardo
Sent: 18. november 2010 18:31
To: Robert Eliassen
Cc: linux-hams@xxxxxxxxxxxxxxx
Subject: Re: two way radio

Hello Robert,

I want to send commands (and receive status) to a Linux box. I am not
quite sure what band I can use. I am in Brazil and I think (I'm not
completely sure) that I can use CB here for that.

Regards,
Eduardo

On Thu, Nov 18, 2010 at 2:35 PM, Robert Eliassen <robel@xxxxxxx> wrote:
> Eduardo,
>
> You still have to explain what your intentions are. Are you going to use
the
> FRS/GMRS-radio to transmit and receive data?
>
> PTT (Push To Talk) would be the trickiest part I guess. You may have to
> modify the unit.
>
> Regards
> Bob, LA6GHA
>
> -----Original Message-----
> From: linux-hams-owner@xxxxxxxxxxxxxxx
> [mailto:linux-hams-owner@xxxxxxxxxxxxxxx] On Behalf Of Eduardo
> Sent: 18. november 2010 15:51
> To: linux-hams@xxxxxxxxxxxxxxx
> Subject: Re: two way radio
>
> Hi Nate / John,
>
> Thanks for your replay.
>
> What (cheap) radio would you recommend to transmit data? Could you
> also point a place where I can find the circuit needed to connect this
> radio to a Linux box?
>
> Best regards,
> Eduardo
>
> On Thu, Nov 18, 2010 at 10:15 AM, Nate Bargmann <n0nb@xxxxxxx> wrote:
>> * On 2010 18 Nov 05:09 -0600, Eduardo wrote:
>>> Hi,
>>>
>>> I have a pretty basic question. Is it possible to connect a two way
>>> radio (like https://cobra.com/detail/microtalk-cxr925-35-mile-radio.cfm
>>> ) to a Linux box? Does anyone know a good reference explaining how to
>>> make this connection?
>>
>> To do what?  As it is an FRS radio I doubt that anything but voice is
>> allowed, at least in the USA.  Outside the USA you may be able to use
>> data of some sort, depending on your local regulations.  To do that you
>> would likely connect the speaker/mic jack to the audio connections on a
>> sound card.  Looking at the specs I doubt there is any way to connect
>> the radio for frequency/channel selection.
>>
>> 73, de Nate >>
>>
>> --
>>
>> "The optimist proclaims that we live in the best of all
>> possible worlds.  The pessimist fears this is true."
>>
>> Ham radio, Linux, bikes, and more: http://n0nb.us/index.html
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