Re: BCI25D Accessory Digital Card. BAUD RATE

I will get $100 for it when I call uniden and say I want to return 
it.. I just got it yesterday.. ;)

I like the 396 but its over 500 bucks. 

ok, how about someone who makes a new 9,600 full digi card for the 
bc295??? or am I a dreamer??

Pete


--- In [email protected], "Alec J Wasserman" 
<alecwasserman@...> wrote:
>
> i'll give u $25.00 cash for the card I need one..
> 
>   _____  
> 
> From: [email protected] 
[mailto:[email protected]] On
> Behalf Of Pete
> Sent: Friday, March 10, 2006 1:09 PM
> To: [email protected]
> Subject: [UnidenBC250D] Re: BCI25D Accessory Digital Card. BAUD 
RATE
> 
> 
> Another very nice response.. Thank You..
> 
> I am basically getting the impression that the $100 digital card I 
> purchased needs to go back because it will only be able to trunk 
the 
> digital system if it is on a mixed-mode system, with the control 
> channels at 3,600 baud.  If its 100% digital, I would not be able 
to 
> hear control channels, therefore not be able to follow the trunk..
> 
> also, from what I understand, I should be able to HEAR the digital 
> apco 25 signal but just not track the trunk unless its a mixed 
mode 
> signal.. 
> 
> There I've gone and dove myself batty again.. 
> 
> does everyone agree??? (not on the batty part)  :)
> 
> Pete
> 
> 
> --- In [email protected], "bwigg2002" <wa4gki@> wrote:
> >
> > > I do know what baud rate is (when referring to PC
> > > transfer speeds) 
> > > but my question is... 
> > >
> > This refers to the signalling rate that the control channel 
uses. 
> 9600 
> > baud pure digital systems transmit consideribly more data via 
the 
> > control channel, hence the need for a higher baud rate. The 
BCI25D 
> card 
> > will decode the audio on 9600 baud system, but it will not 
follow 
> > trunking. Project 25 phase I C4FM(Constant Envelope 4-Level 
> Frequency 
> > Modulation) IMBE audio channel information is transmitted 9600 
> baud. 
> > 4.4 kbps for audio with 2.8 kbps for error correction and 2.4 
kbps 
> for 
> > signalling. This is the same for 3600 baud or 9600 baud systems. 
> Some 
> > systems use QPSK(quadrature phase shift keying)instead of C4FM. 
> This is 
> > part of Project 25 phase II for use on 6.25 khz channels. Not 
sure 
> if 
> > the BCI25D will work with QPSK audio.
> >
> 
> 
> 
> 
> 
> 
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If you have come here to find out about the 250D you have come to the right place! In fact the discussion of the BC-250D and how it works is the only acceptable topic on this list. Any discussion about anything other than the BC-250D is OFF TOPIC. I hope this is clear to all group members.. 
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