Dan Blasberg wrote:
> On May 9, 2008, at 1:55 PM, Ron Wright wrote:
> 
>> D-Star rigs are expensive as Ham Radio rigs, but how expensive is  
>> P25 radios???
>>
> Depends on the manufacturer and if you want new or used.  Used P25  
> radios can be had for as little as $250 (you still need a programming  
> kit for some) and as high as $2500+ for a new handheld or mobile.
> 
>> Can one add a P25 controller to a typical FM repeater or is it like  
>> Icom and one must ICOM for all.
>>
> No, P25 decoder is built into the radio itself, much like the ICOM  
> radios.  And no one has come out with a "dongle" for P25 probably due  
> to the expense of the codec from DVSI for IMBE.  That may change for  
> phase 2 P25 which will be using an AMBE codec from DVSI.  The question  
> is, is it the same AMBE codec used for D-Star and if so, can someone  
> write the firmware into a dongle to add both P25 and D-Star to the  
> same radio.  If that were to happen that would be pretty kick.


Well, actually there is one I know now, and others are working on it.
Raytheon/JPS has a box that can be added to a system to make an existing 
  analog repeater P25. One unit handles 4 repeaters, so it's really more 
designed for a trunked system. And it's not cheap-list I think is around 
$10K or so. But remember-that is essentially *four* controllers in one 
1RU cabinet.



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