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what amp to use

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mirage
Posts: 169
Joined: Mon Dec 03, 2001 4:00 pm
What radios do you own?: APX7500APX7000 XTS4000 MT500

what amp to use

Postby mirage » Sat Mar 07, 2015 7:30 pm

OK forgive me but I am new to DMR.
For a repeater amp on UHF will an amp
From a analog repeater work. I have a XPR 8300
and would like to have it at a 100w. I have a Henry
from my analog repeater here on the shelf can I use it.
If not any recommendation.
Thanks
Doug

Dr Wireless
Posts: 8
Joined: Sun Mar 14, 2004 9:52 am

Re: what amp to use

Postby Dr Wireless » Wed Mar 11, 2015 2:00 pm

The XPR8300 repeater always transmits on both time slots when keyed, so any amp that works with analog will work fine.
Dr.

User avatar
mirage
Posts: 169
Joined: Mon Dec 03, 2001 4:00 pm
What radios do you own?: APX7500APX7000 XTS4000 MT500

Re: what amp to use

Postby mirage » Thu Mar 12, 2015 1:53 am

Thanks I will try it.
Doug

moztas
Posts: 44
Joined: Wed Jan 28, 2009 8:13 am

Re: what amp to use

Postby moztas » Tue Dec 22, 2015 1:00 am

I had tested 20 years old Andrew Bi-Directional Amplifiers in an underground project with Motorola DR3000 (XPR8300) repeater in digital mode and it worked without any problem. I also used some cheap low noise amplifiers (LNA) in head-end units with Motorola DMR repeaters in digital mode. Two slots, no problem. FYI.


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