{"product_id":"gemek-75ft-sma-male-to-n-male-coax-cable-low-loss-s-mr400","title":"GEMEK 75ft SMA Male to N Male Coax Cable - Low Loss S-MR400","description":"\u003cp\u003eIn this review of the GEMEK 75ft SMA Male to N Male Cable the bottom line is straightforward: this is a heavy-duty, low-loss coax extension best for anyone needing a reliable 50 ohm link between SMA equipment and N-style antennas over a long run. The cable's S-MR400 construction and double shielding are the single biggest reasons to buy, since they preserve signal strength for cellular, WiFi, ADS-B and ham radio uses where every dB of loss matters. The review covers build, compatibility, handling and when this cable is the sensible choice.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-copper connectors:\u003c\/strong\u003e Gold-plated SMA male to N male plugs deliver corrosion resistance and consistent mating to SMA- and N-style ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-loss S-MR400 coax:\u003c\/strong\u003e The 10.3mm diameter S-MR400 cable keeps insertion loss low for long runs, improving range for cellular, WiFi and ADS-B receivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e75 ft length:\u003c\/strong\u003e At 75 ft (23 meters) the cable offers flexible placement options for antennas or surge arresters without adding inline amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble shielded construction:\u003c\/strong\u003e Extra shielding reduces external interference and helps maintain signal quality in noisy RF environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged handling:\u003c\/strong\u003e A minimum bending radius of about 2.44 in and heat-shrink on both ends mean the cable tolerates tighter bends and clean terminations for installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis cable is aimed at installers, radio hobbyists and network professionals who need a long, durable 50 ohm extension from SMA-equipped devices to N-style antennas or surge arresters. It fits use cases such as cellular modems and routers, WiFi repeaters, ADS-B ground stations, ham radio setups and test gear where minimizing loss over distance is important.\u003c\/p\u003e\n\u003cp\u003eThose seeking a lightweight patch cable for short indoor runs or a TV coax solution should look elsewhere, since this product is specifically 50 ohm S-MR400 and not intended for TV or 75 ohm applications. Also note this is not an RP-SMA or F-type cable, so confirm connector gender and type before ordering.\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\u003eHigh-quality build and gold-plated all-copper connectors give reliable, low-resistance connections.\u003c\/li\u003e\n\u003cli\u003eS-MR400 low-loss coax retains more signal on long runs compared with thinner cables, benefiting cellular and ADS-B reception.\u003c\/li\u003e\n\u003cli\u003eDouble shielding and robust diameter help reject interference in demanding RF environments.\u003c\/li\u003e\n\u003cli\u003e75 ft length provides flexible antenna placement without extra adapters or amplifiers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavier and stiffer than small-diameter coax, which can make routing in tight spaces more difficult.\u003c\/li\u003e\n\u003cli\u003eNot suitable for 75 ohm TV applications or for RP-SMA\/F-type connector needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector 1\u003c\/td\u003e\n\u003ctd\u003eSMA Male plug 50 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector 2\u003c\/td\u003e\n\u003ctd\u003eN Male plug 50 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e75 ft (23 meters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoax\u003c\/td\u003e\n\u003ctd\u003eDouble shielded low-loss S-MR400 (10.3mm \/ 0.4 in)\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\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 75ft SMA Male to N Male S-MR400 cable is a practical, well-built extension for anyone linking SMA equipment to N-style antennas where signal retention matters. Its double shielding, substantial center conductor and clean terminations make it good value for installers and radio enthusiasts who need dependable RF performance over longer runs.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this cable work with my router or modem?\u003c\/strong\u003e\u003cbr\u003eYes, it is compatible with devices that have an SMA female port and pair to N male antennas; confirm your device uses standard SMA female connectors and a 50 ohm interface.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this cable suitable for TV or coaxial antenna feeds?\u003c\/strong\u003e\u003cbr\u003eNo, this is a 50 ohm S-MR400 cable intended for RF, cellular, WiFi and ham use, not 75 ohm TV applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow flexible is the cable for routing?\u003c\/strong\u003e\u003cbr\u003eThe S-MR400 is thicker and stiffer than small patch coax but supports tight bends down to the specified minimum radius and includes heat-shrink on both ends for neat terminations.\u003c\/p\u003e","brand":"GEMEK","offers":[{"title":"Default Title","offer_id":48232320303323,"sku":"B07VSH5378","price":59.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/718GWUl26iL._AC_SL1500.jpg?v=1770723581","url":"https:\/\/gearmusthave.com\/products\/gemek-75ft-sma-male-to-n-male-coax-cable-low-loss-s-mr400","provider":"GearMustHave","version":"1.0","type":"link"}