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write your own review of the Times Microwave LMR-400.
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THEVIKRC
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Rating: 5/5
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Jun 18, 2011 10:41
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5/5
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Time owned: more than 12 months
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I've used this cable severl times before with absolutely no problems. My latest once the cable is received is to connect a Yaesu FT-897D with a Comet CX-333 triband antenna.
The cheapest place I've found for the LMR-400UF is Commline (Hamcity) for $1.15/ft. I bought 150 ft and with shipping only cost me $200.
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W8STU
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Rating: 5/5
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Mar 30, 2011 14:52
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WORKS GREAT
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Time owned: 0 to 3 months
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Greetings,
I recently purchased a 175 feet of this great coax to run to a Radiowavz DX-80 OCF Windom. It works great. I know say this maybe overkill, but I was worried about the long run. It works great. I would highly recommend Times Microwave LMR-400 coax. Be careful and do not buy the imitation LMR-400 coax advertised on EBAY. Put Times Microwave LMR-400 in the search engine and you will find a dealer by the name of Sagemaiden. They are great to work with. Great service and fast shipping. I would highly recommend Times Microwave coax and Sagemaiden to new Hams and Elmer's alike. 73, Stu de W8STU
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KD5NDU
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Rating: 5/5
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Feb 2, 2011 14:51
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I LIKE IT ALOT
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Time owned: 3 to 6 months
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I GOT LMR 400 ON MY 2 METER RADIO. WITH 100 FOOT OF LMR 400 RUN. IT WORKS REAL GOOD. GET GOOD REPORTS ON IT. GOING TO PUT ON MY 20 METER BEAM NEXT.
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K3DAV
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Rating: 5/5
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Jul 7, 2010 18:07
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Next best thing to hard line.
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Time owned: more than 12 months
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I use LMR-400 on 3 antennas. A Comet CHA250B HF vertical, a Solarcon I-MAX 2000, and a Comet GP-15 tribander VHF/UHF antenna.
I have tried every coax from Radio Shacks cheap stuff to the best that Belden and Jetstream offers. None of them can stand up to Times Microwave's LMR-400. There are cheaper imitators, but don't be fooled. They are not the exact same coax. TM's LMR-400 is the best, and worth every penny.
The center conductor is solid aluminum with a heavy copper plating. A very low dielectric foam surrounds the center conductor. Thick foil is molded directly to the foam so it can't come loose, which gives the coax a virtual 100% shield, Then a thick braiding of tinned copper surrounds it all as a shield conductor.
Only hard line is better, but not much better. It is a little stiff, and you must use extreme caution not to kink the coax anywhere along the length. You can not make sharp 90 degree bends, but you can make a subtle 90 degree curve with no problem. I even made an RF choke with it on my antennas. 6 or 7 turns about 9 inches across.
Of all the coax I have tried, LMR-400 gives the lowest SWR on all 3 of my antennas, and allows them to be more broadbanded. This means virtually all of the RF power emits from the antenna, and NOT from the coax. And your antenna can use extreme frequencies with a lower SWR.
I have used LMR-400 exclusively for several years now. I get absolutely no TVI, or RFI into any other electronics, on any part of the HF and VHF spectrum from any antenna. It is slightly thicker than typical RG-8U, so threading a standard PL-259 onto it is a bit tougher, but can be done.
For the money, you can't beat LMR-400. Use it and you will not be sorry.
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KC2VOB
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Rating: 5/5
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Oct 12, 2009 16:35
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Performs Great
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Time owned: 6 to 12 months
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I use 75’ of LMR 400UF for 2m/70cm terminated with PL-259’s - great job. Diamond SX-400 shows an SWR around 1:3 both on UHF and VHF. Recently I took down my antenna for a change and noticed that there were some cuts on the outer jacket of this cable that were made by cord used by kite flyers but that should not be embarrassing because their cord has a special finishing that cuts through just about anything made of rubber. It performs great. The center conductor is shown in my YouTube video “Ham Radios” under my call sign, if you wonder what is it like underneath.
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AB0RE
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Rating: 4/5
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Sep 24, 2009 07:21
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Not too shabby
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Time owned: 3 to 6 months
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I've used LMR-240-UF, LMR-400-UF, and LMR-600LLPL in previous installations.
I've noticed with the LMR-240-UF and LMR-400-UF the outer jacket of the cable is too "rubbery" for my liking (soft & rubbery = not durable). Additionally, the jacket is not adhered well to the braid.
With the LMR-400-UF, when trying to screw on PL259 connector the connector grabs the jacket and either pulls it up towards the connector or twists it (instead of seating the PL259 properly on the cable like one would hope). For .405" outer diameter coax I still prefer my trusty old Davis RF BuryFlex cable as the jacket is MUCh more durable and it doesn't move around when installing connectors.
Times Microwave LMR-240-UF has the size characteristics of RG-8X with increased power handling capabilities. It makes a great cable for jumpers inside the shack. Times Microwave has a handy "de-rating" calculation in the technical information section of their website that will tell you the maximum power handling at any temperature, SWR, frequency, and altitude. One odd thing with the 240-UF is that it has a bit of a memory... if you make a moderately-sharp bend in it the cable will retain that shape, which is odd for an "ultra-flex" cable.
The LMR-600-LLPL cable was a plenum-rated cable used for a hospital ham-radio install in our area. Due to it's thick size it was a bit difficult to work with, but seemed like a quality cable overall. devinitely don't buy the $200 Times Microwave .610" Hex-Die crimper if you need to install connectors on LMR-600. Quality ratcheting crimpers can be had on eBay for less than $40 shipped.
Whereas Times Microwave's cables are "good for the money" and don't get me real excited, I think it fair that I mention how happy I've been with their coax connectors. Time's Microwave is the only connector company I know of that include instructions on the back of the connector package and includes a piece of adhesive-lined heat shrink tubing to go over the rear of the connector to ensure it's weatherproof. They're definitely worth the extra few bucks each over the competitors connectors.
(I know my wholistic review included four items... the rating is for the LMR-400 cable itself)
73,
Dan / ab0re
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W2MB
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Rating: 5/5
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Feb 29, 2008 21:10
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LMR400F Great Stuff
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Time owned: 3 to 6 months
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I use 110' of the LMR400F (flexible version) to feed a dual band (2m/440) FM vertical at 60' which is mounted on top of a rotatable HF yagi. A Times N connector on one end and an Amphenol PL259 connector on the other. It is obviously a high quality product that is as easy to work with as any other RG8 style coaxial cable. It works fine at VHF and UHF frequencies at my installation. It appears very similar in construction to Belden 9913F that I use to feed to HF yagi on the same tower.
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N2CLB
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Rating: 5/5
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Feb 5, 2007 18:18
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the best
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Time owned: 6 to 12 months
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i have used nothing but lmr-400 from the time i 1st tryed it out all i can say is this stuff rocks for the price
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W8JJI
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Rating: 5/5
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Sep 30, 2006 08:48
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LMR400-DB direct burial
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Time owned: more than 12 months
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It is all I use at this QTH.
The "Direct Burial" (DB), has a water-resistant paste or film coating the braid and it DOES keep water out.
The LMR-400DB also has a foil layer along with the braided shield.
I have used it on HF thru UHF for several years with NO problems .
Exellent coax!
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N4MWY
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Rating: 5/5
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Jul 13, 2006 15:39
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great coax!
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Time owned: months
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This is mostly what I use.
Has the flexibility that Andrew hardline does not have-this is essential when mounting on a tower where the antena has to rotate.
The losses it has are low at the hf frequencies; a more expensive and less lossy cabling could be considered for vhf uhf and microwave.
Has the added benefit of utilizing standard connectors.
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