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[TowerTalk] LMR-600 UHF-males

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Subject: [TowerTalk] LMR-600 UHF-males
From: "Jim Thomson" <>
Date: Sat, 31 Jul 2010 07:07:18 -0700
List-post: <">>
Date: Sat, 31 Jul 2010 08:42:12 -0400
From: Stephen Davis <>
Subject: [TowerTalk] LMR 600 Water-proof Feed Thrus (+ H20 proof'g)
DAVIS RF Response
Hi Guys, 

Some observations:
Another observation:  One contributor questions what feed thrus are available 
for LMR 600 size cable.   LMR 600 can be terminated with UHF, N's or DIN males  
and suitable female/female feedthru "barrel" adaptors , or flange mount females 
can be obtained for each type connector (without checking, the DIN flange 
mounts might be difficult but if out there, I'd supply them).

  Lastly: using adaptors:  female to female barrels, male to female, right 
angles, between series adaptors (such as N's to UHF's), etc  etc:  Don't fear 
the old addage that adaptors increase your cable losses or cause adverse 
impedance bumps.  If good quality, as we sell, the max. insertion loss will be 
only .200 dB AT THE MAX  MUF for the type connector (UHF MUF is 300 MHz and N's 
(most common) are 6 GHz, and the insertion loss to freqcy is linear, so 
particularly at HF, the insertion loss is miniscule.         

Note:  UHF males for LMR-600 are quite expensive.  Better to use N males and an 
adaptor to UHF male.

##  Just what is the deal with the pricing on LMR-600  male  UHF connector's 
???    Does anybody besides Times-microwave even make  a uhf male  for  
LMR-600/600UF  ??     I just looked, and the price for 600 male uhf connectors  
 is just insane.    You can buy  7-16 dins  for  1/3 the price.   What gives ? 

## Some where, buried in my basement, I have at least 2 x doz+  new LMR-600  
uhf males..and I'll be dipped if I can find them.   I'm still looking.  They 
used to be very reasonable at one time. 

##  I also noticed that the price of  Times Microwave   7-16 male dins  for   
LMR-1200DB  has skyrocketed in the last few years.   [and those are made in  

later... Jim   VE7RF

I hope this is of some help, 
73,   Steve ,  K1PEK, 

DAVIS RF Co.,  Div. of Orion Wire Co., Inc.

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