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Motorola APX 8000

firemedic01

Member
Joined
Feb 18, 2013
Messages
7
Hello all, I have a personally owned APX 8000 radio that has been programmed by our authorized Motorola retailer for the agency I serve with. The radio has a quad-band antenna and a Motorola XE remote speaker mic. The system is a conventional VHF system with one repeater site.

Often, my transmissions are reported to be garbled or broken by our dispatch center. There seems to be no rhyme or reason for the inaudible audio. I have had no issues receiving any audio. I have noticed the issue with the Impress 2 battery at various levels including fully charged. Transmit power is set to high in the settings. The radio is set to narrowband specific with minimal deviation.

I have ordered a replacement antenna in an attempt to resolve the issue. Outside of this, what are some other probable causes?
 

N4DES

Retired 0598 Czar ÆS Ø
Joined
Dec 19, 2002
Messages
2,443
Location
South FL
Can you get a recording of your transmissions from dispatch so you can hear for yourself what you sound like?

The most current AN000342A01 quad-band antenna made a number of improvements in 700/800 MHz, but not much in VHF that I have used on mine.
 

WRTF671

Member
Premium Subscriber
Joined
Sep 10, 2022
Messages
48
+1 for this. I had the same issues with my APX7000 and it turned out that was the issue, specifically it was also an XE RSM.
I'd look at that too. I have two XE RSMs and one has issues cutting out sometimes. I don't get reports of garbled transmissions but I imagine that's the next step...
 
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