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Cellular Phone Forum / Manufacturers / Motorola / January 2004

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two way radios and cell phones?

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R. Doornbosch - 23 Jan 2004 19:46 GMT
I am currently using the Motorola CP150 radios for my employees at work I'm
looking at getting a new phone and wanted to know if there is a phone like
the VRS i750 or i550 plus that I can use to communicate with my employees
using the CP150 radios. I thought I read somewhere that you can get some
type of in-car repeater that would allow the two way radio on the phone to
transmit over the UHF frequency the CP150 are using. But for the life of me
I can't find any reference to it again. Does anyone here have any ideas?
I've emailed Motorola several times over the past few weeks with no
response.

THANKS
MarkF - 24 Jan 2004 00:27 GMT
> I am currently using the Motorola CP150 radios for my employees at work I'm
> looking at getting a new phone and wanted to know if there is a phone like
[quoted text clipped - 7 lines]
>
> THANKS

This unit does it:
http://www.escambia-emergency.com/news/edics.htm
and costs about 10 grand and takes about 2 hours to set up.  Other
than that there is no commercially available product.

Mark
JOCK tec - 24 Jan 2004 02:26 GMT
Al Klein - 24 Jan 2004 04:21 GMT
>> I am currently using the Motorola CP150 radios for my employees at work I'm
>> looking at getting a new phone and wanted to know if there is a phone like
[quoted text clipped - 12 lines]
>and costs about 10 grand and takes about 2 hours to set up.  Other
>than that there is no commercially available product.

And you can't get a license to run it unless you happen to be a local
government.
Signature

Al - rukbat at optonline dot net

MarkF - 24 Jan 2004 12:34 GMT
> >> I am currently using the Motorola CP150 radios for my employees at work I'm
> >> looking at getting a new phone and wanted to know if there is a phone like
[quoted text clipped - 15 lines]
> And you can't get a license to run it unless you happen to be a local
> government.

Not true, the EDICS doesn't require a license as it's only a software
audio switch.  You can connect any band and almost any style radio to
it, including NEXTEL.  Now yes you have to be licensed on the two way
radio bands that you operate on, but assuming that the origional
poster is using his CP150 legally he can use the EDICS to interconnect
to a NEXTEL.  It's just a matter if he wants to pay the price.

Here is more information on the unit:

http://www.c-at.com/icripages/icrifaq.html

Mark
Al Klein - 24 Jan 2004 15:29 GMT
>Not true, the EDICS doesn't require a license as it's only a software
>audio switch.  You can connect any band and almost any style radio to
>it, including NEXTEL.  Now yes you have to be licensed on the two way
>radio bands that you operate on, but assuming that the origional
>poster is using his CP150 legally he can use the EDICS to interconnect
>to a NEXTEL.  It's just a matter if he wants to pay the price.

>Here is more information on the unit:

>http://www.c-at.com/icripages/icrifaq.html

Okay, I didn't research the device.  It's just old technology in a new
package.  (We did the same thing commercially in the 80s and ham radio
has been doing it since the 60s.)  Whether it's legal to retransmit a
cellular phone conversation, even if the retransmitter is a party to
the conversation, is another matter.
Signature

Al - rukbat at optonline dot net

MarkF - 24 Jan 2004 22:29 GMT
> >Not true, the EDICS doesn't require a license as it's only a software
> >audio switch.  You can connect any band and almost any style radio to
[quoted text clipped - 12 lines]
> cellular phone conversation, even if the retransmitter is a party to
> the conversation, is another matter.

It may be old technology in a software driven world, but it still
works as I have access to one provided by the State for emergency
communications.  It works as advertised and is a pretty neat device.
We have the ability of connecting 800 Trunked, 800 Conventional, UHF,
VHF, and NEXTEL together on the same communications platform.
Al Klein - 25 Jan 2004 06:19 GMT
>It may be old technology in a software driven world, but it still
>works as I have access to one provided by the State for emergency
>communications.  It works as advertised and is a pretty neat device.
>We have the ability of connecting 800 Trunked, 800 Conventional, UHF,
>VHF, and NEXTEL together on the same communications platform.

If it works as advertised you have the ability to connect ANY
transmitter and receiver.
Signature

Al - rukbat at optonline dot net

MarkF - 25 Jan 2004 12:09 GMT
> >It may be old technology in a software driven world, but it still
> >works as I have access to one provided by the State for emergency
[quoted text clipped - 4 lines]
> If it works as advertised you have the ability to connect ANY
> transmitter and receiver.

As long as you have the right cable to connect the radio to the EDICS,
yes you can connect ANY radio to the unit.
Al Klein - 24 Jan 2004 04:20 GMT
>I am currently using the Motorola CP150 radios for my employees at work I'm
>looking at getting a new phone and wanted to know if there is a phone like
>the VRS i750 or i550 plus that I can use to communicate with my employees
>using the CP150 radios.

No.  Cell phones and two way radios speak totally different languages.
Signature

Al - rukbat at optonline dot net

danny burstein - 24 Jan 2004 04:34 GMT
>No.  Cell phones and two way radios speak totally different languages.

not entirely 100% so... One of the quasi cellular companies
has announced they'll soon be shipping a unit that will, indeed,
allow for direct point-to-point radio-to-radio communication.

low power and short range, though.
.

Signature

_____________________________________________________
Knowledge may be power, but communications is the key
            dannyb@panix.com
[to foil spammers, my address has been double rot-13 encoded]

Al Klein - 24 Jan 2004 15:22 GMT
>>No.  Cell phones and two way radios speak totally different languages.

>not entirely 100% so... One of the quasi cellular companies
>has announced they'll soon be shipping a unit that will, indeed,
>allow for direct point-to-point radio-to-radio communication.

>low power and short range, though.

That still wouldn't allow them to communicate with standard two-way
radios, even two-way radios on the same frequency, unless they're
going to be analog and simplex, which might be illegal.  (I'd really
have to study the applicable sections to be sure.)
Signature

Al - rukbat at optonline dot net

R. Doornbosch - 26 Jan 2004 13:17 GMT
THANKS for the information, I'm not willing to spend ten thousand dollars on
this solution, I'm just sick of carrying a cell phone and Radio everywhere
and thought that I had read something about a device that would mount in
your vehicle and convert the "two way digital" signal from the cell phone
into a UHF signal. I wonder if someone a little inventive could take a
second Nextel phone and use it to transmit over the UHF radio???

Thanks for the help.
mmdstech - 29 Jan 2004 19:02 GMT
> *THANKS for the information, I'm not willing to spend ten thousan
> dollars on
[quoted text clipped - 9 lines]
>
> Thanks for the help. *

Why don't you just use Nextel for the interconnect and the dispatch.
don't understand why you want to use a Nextel handset and try to use i
on a UHF system.  Ditch those bulky overpriced two way radios

-
mmdstec
R. Doornbosch - 29 Jan 2004 20:38 GMT
I would except that my company already has a lot of money invested in these
UHF radio's and we constantly have sub-contractors come on site that use the
same radios. Right now there isn't a chance of converting everyone over to
phones.
 
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