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Common Air Interface ... is it a.k.a. something else?

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bassmkenk2508

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I see quite often "common air interface" listed as a voice type for an APCO-25 digital capable system/frequency. Is this the same thing as APCO-25 3600 or 9600 baud or something else?
Also, would this be capable of being decoded on a BC250D or BC296D?

Thanks ahead of time for any help.
 

mancow

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IMBE Improved Multi Band Excitation

The newer digital scanners will receive it.


mancow
 
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N_Jay

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bassmkenk2508 said:
I see quite often "common air interface" listed as a voice type for an APCO-25 digital capable system/frequency. Is this the same thing as APCO-25 3600 or 9600 baud or something else?
Also, would this be capable of being decoded on a BC250D or BC296D?

Thanks ahead of time for any help.

The P25 CAI is the adhearance to three of the fundemental P25 standards.

Modulation: C4FM/CQPSK, 9600 BPS
Voice Coding: IMBE
Channel Coding: Per P25 Specifications

These three let radios communicate.

The trunking standard of a 9600 BPS control channel is not in the CAI.
 
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