{"title":"LMR-400 \u0026 Low-Loss HF Coax, Cut to Length | Greyline","description":"\u003cdiv style=\"max-width: 860px; margin: 0 auto; padding: 8px 4px 24px; font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif; color: #555555; line-height: 1.7; font-size: 17px;\"\u003e\n\u003c!-- EYEBROW CHIP --\u003e\n\u003cdiv style=\"text-align: center; margin: 0 0 26px;\"\u003e\u003cspan style=\"display: inline-block; font-family: 'Courier New',Courier,monospace; font-size: 11px; font-weight: bold; letter-spacing: 2px; color: #b8960c; border: 1px solid #B8960C; padding: 6px 15px; text-transform: uppercase;\"\u003eGreyline Feedline \/\/ Cut To Length\u003c\/span\u003e\u003c\/div\u003e\n\u003c!-- H1 (search-aligned + voice) --\u003e\n\u003ch1 style=\"font-size: 36px; line-height: 1.2; color: #1a1a1a; font-weight: bold; margin: 0 0 22px; text-align: center;\"\u003eHF Coax Feedline, Cut To Your Run\u003c\/h1\u003e\n\u003c!-- INTRO --\u003e\n\u003cp style=\"margin: 0 0 20px;\"\u003eThe antenna gets the glory. The feedline decides how much of your signal survives the trip. We cut quality low-loss coax to the length you need and put the right connectors in the box for it, so you are not guessing at ferrule sizes or chasing parts across three websites. You install the ends to suit your station. We get you the right cable and the right connectors in one purchase.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 26px;\"\u003ePick the cable, pick the length, tell us how you connect. We cut it and box it with matching connectors. Simple.\u003c\/p\u003e\n\u003c!-- WHAT YOU GET (light card) --\u003e\n\u003cdiv style=\"background: #ffffff; border-top: 3px solid #B8960C; border-left: 1px solid #DDD8CC; border-right: 1px solid #DDD8CC; border-bottom: 1px solid #DDD8CC; padding: 22px 26px; margin: 0 0 30px;\"\u003e\n\u003cp style=\"font-family: 'Courier New',Courier,monospace; font-size: 12px; font-weight: bold; letter-spacing: 1px; color: #b8960c; text-transform: uppercase; margin: 0 0 14px;\"\u003eWhat Is In The Box\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 10px; color: #555;\"\u003e\u003cstrong\u003eCable, cut to your length.\u003c\/strong\u003e Survey-favorite lengths in stock, plus cut-to-order for any run that fits your site.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 10px; color: #555;\"\u003e\u003cstrong\u003eThe matching connectors.\u003c\/strong\u003e The correct PL-259 or N connectors for that exact cable, in the box, ready for you to install. No size mismatches, no second order.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 0; color: #555;\"\u003e\u003cstrong\u003eYou finish the ends.\u003c\/strong\u003e Solder or crimp and weatherproof to suit your install. The way most of us have always done it, with the parts already in hand.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ================= THE TIER LADDER ================= --\u003e\n\u003ch2 style=\"font-size: 26px; color: #1a1a1a; font-weight: bold; margin: 38px 0 16px;\"\u003eWhich Cable Is Yours?\u003c\/h2\u003e\n\u003cp style=\"margin: 0 0 24px;\"\u003eMore cable is not always more signal. On a short run at HF, good coax loses a fraction of a dB you will never hear. On a long run, or under high SWR, the bigger cable wins back far more than it costs. Here is a valuable read, best value to highest performance. When in doubt, the calculator settles it.\u003c\/p\u003e\n\u003c!-- DRF-400 HERO (dark callout) - HONEST CCA-VALUE FRAMING --\u003e\n\u003cdiv style=\"background: #1a1a1a; border-left: 4px solid #B8960C; padding: 24px 26px; margin: 0 0 20px;\"\u003e\n\u003cp style=\"font-family: 'Courier New',Courier,monospace; font-size: 12px; font-weight: bold; letter-spacing: 1px; color: #b8960c; text-transform: uppercase; margin: 0 0 12px;\"\u003eBest Value \/\/ DRF-400 (Greyline House Cable)\u003c\/p\u003e\n\u003cp style=\"color: #ffffff; font-size: 18px; line-height: 1.6; margin: 0 0 12px;\"\u003eLow-loss 400-type HF coax at a price solid-copper cable cannot touch. The center conductor is copper-clad aluminum, and at HF that is the smart trade: your signal rides the copper skin, so you get genuine low-loss 400-type performance on the bands you actually work, while the aluminum core keeps the cost and the weight down.\u003c\/p\u003e\n\u003cp style=\"color: #e8e0c8; font-size: 15px; font-style: italic; margin: 0;\"\u003eFor the vast majority of HF stations, DRF-400 is all the feedline you need, and the best dollar-for-dB value on this page.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- The rest of the ladder (light cards) --\u003e\n\u003cdiv style=\"background: #ffffff; border-top: 3px solid #B8960C; border-left: 1px solid #DDD8CC; border-right: 1px solid #DDD8CC; border-bottom: 1px solid #DDD8CC; padding: 22px 26px; margin: 0 0 16px;\"\u003e\n\u003cp style=\"margin: 0 0 4px; color: #1a1a1a; font-weight: bold; font-size: 17px;\"\u003eLMR-400\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 0; color: #555;\"\u003eTimes Microwave LMR-400, the name-brand standard, with a solid bare-copper center. For the operator who wants LMR by name, or who runs a lot of 160m where a solid-copper conductor earns its keep. We stock it because you ask for it, and that is reason enough.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #ffffff; border-top: 3px solid #B8960C; border-left: 1px solid #DDD8CC; border-right: 1px solid #DDD8CC; border-bottom: 1px solid #DDD8CC; padding: 22px 26px; margin: 0 0 16px;\"\u003e\n\u003cp style=\"margin: 0 0 4px; color: #1a1a1a; font-weight: bold; font-size: 17px;\"\u003eLMR-600\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 0; color: #555;\"\u003eA bigger pipe for longer runs and the higher bands, where the extra conductor noticeably cuts loss. When the calculator shows you crossing 2 dB, this is the step up that earns its keep.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #ffffff; border-top: 3px solid #B8960C; border-left: 1px solid #DDD8CC; border-right: 1px solid #DDD8CC; border-bottom: 1px solid #DDD8CC; padding: 22px 26px; margin: 0 0 24px;\"\u003e\n\u003cp style=\"margin: 0 0 4px; color: #1a1a1a; font-weight: bold; font-size: 17px;\"\u003eHeliax (1\/2 inch \u0026amp; 7\/8 inch)\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 0; color: #555;\"\u003eThe lowest-loss coax made. For very long runs, high power, or the operator who simply wants the best feedline money can buy and never thinks about it again. Under severe SWR, a 7\/8 inch run beats everything else on this page by a wide margin.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Ladder-line pointer --\u003e\n\u003cp style=\"margin: 0 0 30px;\"\u003eLooking for balanced line? The 450-ohm ladder-line and silicone-in-conduit feedline systems — the lowest-loss feed for a non-resonant antenna — live on the \u003ca href=\"https:\/\/greylineperformance.com\/pages\/feedline-system-kits\" style=\"color: #b8960c; font-weight: bold; text-decoration: none;\"\u003eFeedline System Kits\u003c\/a\u003e page.\u003c\/p\u003e\n\u003c!-- ================= HOW TO CHOOSE (calculator) ================= --\u003e\n\u003cdiv style=\"background: #1a1a1a; border-left: 4px solid #B8960C; padding: 24px 26px; margin: 0 0 30px;\"\u003e\n\u003cp style=\"font-family: 'Courier New',Courier,monospace; font-size: 12px; font-weight: bold; letter-spacing: 1px; color: #b8960c; text-transform: uppercase; margin: 0 0 12px;\"\u003eLet The Math Decide\u003c\/p\u003e\n\u003cp style=\"color: #ffffff; font-size: 17px; line-height: 1.6; margin: 0 0 14px;\"\u003eDo not guess, and do not let anyone upsell you on cable you do not need. Put in your band, your run length, and your power, and see exactly how much signal each cable delivers. The number tells you which cable is yours.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003ca href=\"https:\/\/greylineperformance.com\/pages\/feedline-loss-calculator\" style=\"color: #b8960c; font-weight: bold; text-decoration: none;\"\u003eOpen The Feedline Loss Calculator →\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- LENGTHS --\u003e\n\u003ch2 style=\"font-size: 26px; color: #1a1a1a; font-weight: bold; margin: 38px 0 16px;\"\u003eLengths\u003c\/h2\u003e\n\u003cp style=\"margin: 0 0 20px;\"\u003eStocked in the lengths our customers actually order — 25, 50, 75, and 100 feet — which covers most HF installs. Need something in between, or a longer haul? We cut to order, starting at 25 feet. Measure feedpoint to shack, add a little slack for dressing the cable, and order that.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 30px; color: #1a1a1a; font-weight: bold; font-size: 18px; text-align: center;\"\u003ePick your cable and length below.\u003c\/p\u003e\n\u003c!-- ================= ECOSYSTEM CROSS-LINKS ================= --\u003e\n\u003cdiv style=\"background: #ffffff; border-top: 3px solid #B8960C; border-left: 1px solid #DDD8CC; border-right: 1px solid #DDD8CC; border-bottom: 1px solid #DDD8CC; padding: 22px 26px; margin: 0 0 26px;\"\u003e\n\u003cp style=\"font-family: 'Courier New',Courier,monospace; font-size: 12px; font-weight: bold; letter-spacing: 1px; color: #b8960c; text-transform: uppercase; margin: 0 0 14px;\"\u003eThe Whole Feedline Picture\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 10px;\"\u003e\u003ca href=\"https:\/\/greylineperformance.com\/pages\/feedline-physics\" style=\"color: #b8960c; font-weight: bold; text-decoration: none;\"\u003eFeedline Physics\u003c\/a\u003e — how loss, SWR, and common-mode current really work, in plain English.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 10px;\"\u003e\u003ca href=\"https:\/\/greylineperformance.com\/pages\/feedline-loss-calculator\" style=\"color: #b8960c; font-weight: bold; text-decoration: none;\"\u003eThe Feedline Loss Calculator\u003c\/a\u003e — run your numbers, pick your cable.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 0;\"\u003e\u003ca href=\"https:\/\/greylineperformance.com\/pages\/feedline-system-kits\" style=\"color: #b8960c; font-weight: bold; text-decoration: none;\"\u003eFeedline System Kits\u003c\/a\u003e — balanced line, ladder line, and silicone-in-conduit builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ================= FOOTER ================= --\u003e\n\u003cdiv style=\"border-top: 3px solid #B8960C; padding-top: 22px; margin-top: 34px; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 10px; color: #555555;\"\u003eSmart. Strong. Elegant. The signal you make deserves a feedline that delivers it. From the Greyline bench in Sun Valley, Idaho.\u003c\/p\u003e\n\u003cp style=\"font-family: 'Courier New',Courier,monospace; font-size: 13px; color: #5c5c5c; margin: 0 0 6px;\"\u003e73, Jon KL2A \u0026amp; the Greyline Performance Team — \u003ca href=\"tel:4352004902\" style=\"color: #b8960c; font-weight: bold; text-decoration: none;\"\u003e435-200-4902\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; font-weight: bold; color: #1a1a1a; margin: 0 0 18px;\"\u003eHam Radio is fun again! Pass it on…\u003c\/p\u003e\n\u003ca href=\"https:\/\/greylineperformance.com\/\" style=\"text-decoration: none;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0028\/2571\/5779\/files\/brown_simple_240x240.png?v=1561676193\" alt=\"Greyline Performance Antennas\" width=\"80\" style=\"max-width: 80px; height: auto; border: 0;\"\u003e \u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[],"url":"https:\/\/greylineperformance.com\/ja\/collections\/coax-feedline.oembed","provider":"Greyline Performance Antennas","version":"1.0","type":"link"}