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Author Topic: Old Motorola Radius RPB50 paging desktop radio  (Read 3365 times)
KA5IWO
Member

Posts: 131




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« on: February 16, 2013, 10:16:56 PM »

I have an Old Motorola Radius RPB50 paging desktop radio.
It has a crystal controlled rx/tx section in it.
I am looking for info on the 8 position dip switch settings on the
bottom of the unit.
I figured out its tx and rx frequencies, but would like to know ow to change
the current DPL of D271N to either ctcss or another DPL code.
It is only a 2 watt transmitter, but if I can find the info on it, I would like to make
it into a low power 440mhz ham band base with external antenna,
It sends out a 2 page tone that I want to disable obviously, but need info
on how to do it. Can not find info anywhere online
It is unsupported by Motorola since it was from 1989.
Any old Motorola technicians out there that have a  user manual or service / program manual.
I know the formulah for figuring out the new crystals to put in it.
Thanks
Kevin
KA5IWO
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KB3HG
Member

Posts: 404




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« Reply #1 on: February 17, 2013, 06:39:37 PM »

Did you try repeaterbuilders? someone there may be able to help
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W6EM
Member

Posts: 774




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« Reply #2 on: February 18, 2013, 04:39:13 PM »

Kevin:

You might want to look over at batlabs.com.  If there isn't a specific section for it, you could ask on the discussion thread.  Lots of old /\/\ knowledge over there.  I used to refurbish Maxtracs and Spectras.  A bit of a challenge, but fun.  Great gear.
Good luck with it.

73,

Lee
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