{"product_id":"gemek-36ft-pl259-to-pl259-low-loss-s-mr400-coax-cable-long-run","title":"GEMEK 36ft PL259 to PL259 Low-Loss S-MR400 Coax Cable - Long Run","description":"\u003cp\u003eIn this review the GEMEK 36ft PL259 to PL259 Low-Loss S-MR400 Coax Cable is evaluated for hobbyist and pro radio use; the bottom line is that it delivers noticeably better signal retention for HF, VHF and UHF than thin jumper cables, making it a practical choice for longer runs and antenna testing. The review focuses on real-world handling, build details and where this cable stands compared with smaller-diameter coax, so readers can decide if the larger S-MR400 construction and PL-259 male ends match their rigs and installation needs.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-loss S-MR400 cable:\u003c\/strong\u003e The larger 0.4 in diameter construction keeps more signal on HF\/VHF\/UHF runs compared with smaller coax for improved range and fidelity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36 ft length:\u003c\/strong\u003e The 11 m length suits common antenna setups and analyzer work without adding connectors that can increase loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePL-259 male to PL-259 male connectors:\u003c\/strong\u003e UHF PL259 terminations make the cable ready to plug into most ham rigs, SWR meters and CB equipment without adaptors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 ohm impedance:\u003c\/strong\u003e Standard impedance supports transceivers, antenna analyzers and SWR meters designed for 50 ohm systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-density tinned copper braid:\u003c\/strong\u003e The double-shield braid offers near 100% shielding for lower RF leakage and better noise rejection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable fit range:\u003c\/strong\u003e Heat shrink on both ends and an operating temperature range from -20C to +70C makes it usable in outdoor or garage installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis cable is aimed at ham radio operators, CB users, and anyone who needs a reliable 36 ft jumper for antenna analyzers, SWR meters or transceivers where maintaining signal over a longer run matters. The larger center conductor and double shield are helpful when moving from short patch leads to a cable that will preserve performance at VHF and UHF frequencies.\u003c\/p\u003e\n\u003cp\u003eUsers who require ultra-compact or extremely flexible mini-jumpers for cramped portable setups may find this cable bulkier than alternatives; also, if you need a different connector type you will need an adapter or a different cable since this product is PL-259 male to PL-259 male only.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNoticeably better VHF performance and lower loss than RG58-style cables due to the larger S-MR400 conductor.\u003c\/li\u003e\n\u003cli\u003eSolid shielding and double-shield braid reduce noise and improve SWR readings in many installations.\u003c\/li\u003e\n\u003cli\u003e36 ft length is versatile for home stations, antenna analyzers and mid-length runs without additional joins.\u003c\/li\u003e\n\u003cli\u003eHeat shrink on both ends improves weather resistance at the connector transition points.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers report mixed build impressions around connector quality, so results depend on handling and installation care.\u003c\/li\u003e\n\u003cli\u003eThe cable is thicker and less flexible than smaller coax, which can make tight routing or portable use more cumbersome.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eUHF PL259 Male to UHF PL259 Male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e36 ft (11 meters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e50 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable type\u003c\/td\u003e\n\u003ctd\u003eLow-Loss S-MR400 Coax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e10.3 mm \/ 0.4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-20C to +70C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum bending radius\u003c\/td\u003e\n\u003ctd\u003e2.44 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe GEMEK 36 ft S-MR400 PL259 jumper is a pragmatic upgrade for users who need improved HF\/VHF\/UHF performance over longer runs without frequent connectors. It balances noticeable signal retention, solid shielding and durable finishes at a modest cost, making it a good value for home stations and antenna testing; those needing ultra-flexibility or different connectors should consider alternate cables or adapters.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this cable work with my ham transceiver?\u003c\/strong\u003e\u003cbr\u003eYes, the 50 ohm impedance and PL-259 male connectors are compatible with most ham transceivers and SWR meters that accept UHF PL259 ends.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow flexible is the cable for tight installations?\u003c\/strong\u003e\u003cbr\u003eThe S-MR400 is thicker than RG58-style coax and less flexible, though its minimum bending radius is about 2.44 in and it can handle 90 degree bends in short spans without signal loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the shielding sufficient for outdoor use?\u003c\/strong\u003e\u003cbr\u003eThe high-density tinned copper braid and heat shrink on both ends provide strong shielding and decent weather resistance, but good connector sealing is recommended for prolonged outdoor exposure.\u003c\/p\u003e","brand":"GEMEK","offers":[{"title":"Default Title","offer_id":48648135966939,"sku":"B08SQ3994Y","price":39.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71p9wz-CohL._AC_SL1500.jpg?v=1778592439","url":"https:\/\/gearmusthave.com\/products\/gemek-36ft-pl259-to-pl259-low-loss-s-mr400-coax-cable-long-run","provider":"GearMustHave","version":"1.0","type":"link"}