5 million dollar system

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zz0468

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The radio in the article sure looks like an APX7000. That would make it Motorola.
 

hitechRadio

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I know this is an old post, but that is an APX6000 in the picture not a 7000. And that would be a 7.xx system as there are no 8.xx systems.
 

Metrofire31

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Coweta County - Speaker Mics

I noticed in the picture - and have noticed the same with Cobb County PD officers, that they use both a radio antenna AND an antenna on the speaker microphone. I was under the impression that the Motorola speaker mics had a "cap" that went over the radio antenna connection so that the speaker mic antenna was the only antenna needed. Do they do this for improved reception? Do they simply ignore the radio antenna "cap" and use antennas at both connections?

Metrofire31
 

hitechRadio

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The Cap you speak of was only optional, are department leaves an antenna on the radio, just incase the need to remove the PSM mic for any reason. The older MTS2000 style of radios had a plunger on the accessory port on the side that would switch the RF path from radio antenna to PSM mic. When Motorola came out with the XTS 3000/5000 series the got rid of the plunger and had you to install this high dollar big funky adapter at the antenna port. But basic functiality was the same as the MTS2000 style radio's. Now with the APX it is a different story, there is not a mechanical switch, they moved the RF port back down to the accy connector, but there is no mechanical plunger to swith RF paths. The APX series, senses the device connected i believe through a simple protocol like USB. In the case of a PSM mic with the antenna, the radio know's what it is and swithces RF paths accordingly along with audio characteristics with the type of device connected. Interstingly enough it seems they got this idea from the Motorola Mototrbo series of portables that do the same thing.
Interesting that you brought up using both antennas for improved reception, this is entirly I would say plausable, but I do not know for sure.
 

mulletron

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Might be a primary/secondary antenna config. If the PSM comes off, as in a scuffle, they still have commo. Just random thoughts...
 
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