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Author Topic: which connector to use?  (Read 685 times)
KC2LVC
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Posts: 19




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« on: June 23, 2007, 12:44:51 PM »

I have a 50 ft. length of LMR-400 which I will probably only use for a few scanners at first, but eventually will also use to transmit from. (2m, 440, 902mhz) I'm wondering what connector would be best to use. PL-259 or N type, etc?   Also, do you think it's good enough to get crimp connectors, or should I definitely solder? I am pretty much just finding crimp-on connectors when searching online.  Thanks in advance..
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KB1LKR
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Posts: 1898




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« Reply #1 on: June 23, 2007, 10:07:09 PM »

902 MHz & 440MHz? Use N connectors not UHF.
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K9KJM
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Posts: 2415




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« Reply #2 on: June 24, 2007, 12:51:33 AM »

The newer two piece type "N" connectors are the way to go.  LMR-400 is great coax for VHF/UHF, However you can get by for receive only with RG-11 from your local cable company for lots less money, AND it will work BETTER for scanner receivers! (RG-11 uses "F" connectors, You can get adaptors to go to antennas and scanners cheap)
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AH6FC
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Posts: 110




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« Reply #3 on: June 24, 2007, 08:30:14 AM »

"N" connectors
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WB2WIK
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Posts: 20603




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« Reply #4 on: June 25, 2007, 08:05:02 AM »

Type N surely...UHF type (PL-259) does not support operation at 902 MHz at all; these connectors roll off about 300 MHz, although they are still useful at 440 MHz with slightly degraded performance.

Crimp or solder-type doesn't really matter if it's a good connector; however, the crimp type requires a special tool to do the crimping.  If you don't have the tool and the die for the connector used, that can cost $75 or so, making the crimp type a bit expensive if you only need to use a few.

WB2WIK/6
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NR9R
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Posts: 152




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« Reply #5 on: June 27, 2007, 12:04:29 PM »

As far as crimp vs solder, I decided to start using crimp connectors--much easier with LMR-400.  Plus, all of the commercially made cables I have received use crimp on connectors.  I found a crimp tool for a good price here: http://cgi.ebay.com/Crimp-tool-coaxial-cable-LMR-400-LMR400-LMR-100-RG-316_W0QQitemZ110142980864QQihZ001QQcategoryZ44996QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
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