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  #21 (permalink)  
Old 10-13-2017, 12:38 PM
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The railroad spec is a PL-259 for antenna connections. If you bust open a clean cab you'll find a short mini to U jumper.
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Old 10-13-2017, 1:52 PM
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Quote:
Originally Posted by ramal121 View Post
The railroad spec is a PL-259 for antenna connections. If you bust open a clean cab you'll find a short mini to U jumper.
Just so I am sure, this is different than my set up on the back of my CDM1550LS? I have plenty of connectors for that , which I thought was a mini UHF....
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Old 10-13-2017, 2:22 PM
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Yes different. The CDM is a mini UHF. The RR Spectra is a full size UHF (SO-239). Put them side by side, it's obvious.

Sent from my XT1058 using Tapatalk
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Old 10-13-2017, 2:23 PM
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Quote:
Originally Posted by ramal121 View Post
Yes different. The CDM is a mini UHF. The RR Spectra is a full size UHF (SO-239). Put them side by side, it's obvious.

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Thank you, just saved me a lot of time!
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Old 10-13-2017, 9:44 PM
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I have my Amphenol MS3106A 18-10S in hand with 4 cup terminals, I also have my Astron SL - 15R power source (12V supply) as would power any Motorola base station. Off the back of the Astron are a black and red terminals. Can I solder the red wire out to the "D" cup terminal and the black wire out to the "B" cup terminal on the Amphenol connector to operate this unit properly?
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Old 10-14-2017, 1:19 PM
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Quote:
Originally Posted by ElroyJetson View Post
No it's not. Every Motorola mobile radio from the Maxtrac line going forward uses a MINI UHF connector.

Which I hate...but at least it fits through a small hole.

Does this look like a PL-259 to ANYBODY?

The Motorola Railroad Radio I have is definitely a PL-259!

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-Frank C.
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Old 10-14-2017, 10:25 PM
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Quote:
Originally Posted by ElroyJetson View Post
No it's not. Every Motorola mobile radio from the Maxtrac line going forward uses a MINI UHF connector.
Not to be a troll, but this isn't universally true. You posted an Astro Spectra. The OP is talking about an Astro Spectra RR which is an SO-239. I've got an XPR5550 that was ordered with a BNC connector. I've also had an MCS2000 that had a TNC connector.
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Old 10-15-2017, 7:59 AM
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It's also a North American based statement. Motorola makes mobiles for other regions with different connectors. They're all produced in the same factory but the connector installed depends on the region the radio is being shipped to.
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