{"product_id":"yilianduo-2-92mm-female-to-female-k-type-rf-adapter-dc-40ghz-sma-compatible","title":"YILIANDUO 2.92mm Male Female Precision Microwave Connector RF Adapter | DC-40GHz 50Ω Stainless Steel, Mechanically Compatible with SMA Connectors","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cdiv\u003eYILIANDUO is an in-series K-type (2.92mm) female-to-female precision coaxial RF adapter engineered for full-band microwave \u0026amp; millimeter-wave testing up to DC-40GHz. Constructed with passivated SU303 stainless steel housing and gold-plated beryllium copper inner contact, this high-frequency interconnect features industry-standard 50Ω impedance and mechanical intermateability with regular SMA connectors, solving hybrid test setup conversion needs between K-type and SMA series RF devices.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThis millimeter-wave adapter serves dual market positioning: \u003cstrong\u003eB2B bulk procurement for RF component distributors, aerospace factories, automotive radar manufacturers and 5G communication enterprises\u003c\/strong\u003e, and \u003cstrong\u003eB2C independent R\u0026amp;D engineers, university RF laboratory researchers and electronic measurement DIY enthusiasts\u003c\/strong\u003e. Widely matched with Vector Network Analyzers(VNA), millimeter-wave test benches, radar modules and satellite communication RF front-end components for circuit debugging and signal interconnection.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cdiv\u003e✅ \u003cstrong\u003e2.92mm(K-Type) Female to Female In-Series Interface | Cross-Mateable with Standard SMA\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eStandard air-dielectric threaded K-type design, mechanically compatible with all mainstream SMA connectors; different from ordinary low-frequency SMA adapters limited under 18GHz, our unit supports continuous DC~40GHz high-frequency operation for hybrid SMA\/K test system assembly.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003ePremium SU303 Passivated Stainless Steel Construction\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eHousing adopts passivated SUS303 stainless steel for outstanding anti-rust \u0026amp; anti-oxidation performance, stable mechanical property from -55℃ to +165℃ wide temperature range; gold-plated beryllium copper jack delivers superior wear resistance for thousands of repeated plugging cycles, consistent signal stability in long-term lab \u0026amp; industrial usage.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eReliable Full-Band Electrical Performance (DC~40GHz)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eStandard industry 50 Ohm characteristic impedance for millimeter-wave RF circuits\u003c\/li\u003e\n\u003cli\u003eMax VSWR ≤1.25 across full DC-40GHz frequency spectrum\u003c\/li\u003e\n\u003cli\u003eUltra-low max insertion loss ≤0.3dB to minimize high-frequency signal attenuation and distortion\u003c\/li\u003e\n\u003cli\u003eFully RoHS compliant for global industrial export certification requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e✅ \u003cstrong\u003eExcellent EMI Shielding \u0026amp; Sealing Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIntegrated full-metal shielding shell effectively suppress electromagnetic interference (EMI), tight structural sealing improves pressure resistance and connection repeatability, suitable for complex vibration working environments of onboard radar and outdoor communication equipment.\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e✅ \u003cstrong\u003eHigh Frequency Advantage vs Ordinary Market Adapters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMost common commercial RF adapters only support below 3GHz low frequency, our precision K-type adapter is professionally calibrated for DC-40GHz millimeter-wave application, exclusive for high-end microwave measurement instead of conventional low-frequency wiring projects.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable data-extentions-extra-tablecapture-id=\"483760\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetailed Technical Data\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYILIANDUO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e100% Brand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eonelinkmore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e2.92mm(K-Type) Female Jack to 2.92mm Female Jack (Straight In-series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Impedance\u003c\/td\u003e\n\u003ctd\u003e50 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Frequency\u003c\/td\u003e\n\u003ctd\u003eDC ~ 40GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax VSWR\u003c\/td\u003e\n\u003ctd\u003e≤1.25:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Insertion Loss\u003c\/td\u003e\n\u003ctd\u003e≤0.3dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePassivated SU303 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Contact\u003c\/td\u003e\n\u003ctd\u003eGold-plated Beryllium Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-55℃ ~ +165℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eRoHS Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Compatibility\u003c\/td\u003e\n\u003ctd\u003eIntermateable with Standard SMA RF Connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Application\u003c\/td\u003e\n\u003ctd\u003eMicrowave Test, VNA Calibration, 5G mmWave, Automotive Radar, Aerospace RF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003ch3\u003e1. University \u0026amp; RF Laboratory Research\u003c\/h3\u003e\n\u003cdiv\u003eVNA vector network analyzer calibration, millimeter-wave component characteristic testing, academic electronic measurement bench setup, hybrid SMA\/K connector conversion experiments。\u003c\/div\u003e\n\u003ch3\u003e2. 5G \u0026amp; Telecommunication Industry\u003c\/h3\u003e\n\u003cdiv\u003e5G millimeter-wave base station RF debugging, RF front-end module interconnection, wireless communication equipment performance verification, satellite ground station RF link assembly。\u003c\/div\u003e\n\u003ch3\u003e3. Aerospace \u0026amp; Military Electronics\u003c\/h3\u003e\n\u003cdiv\u003eAirborne millimeter radar system assembly, aerospace onboard microwave equipment interconnection, military communication radio module performance testing。\u003c\/div\u003e\n\u003ch3\u003e4. Automotive Electronic R\u0026amp;D\u003c\/h3\u003e\n\u003cdiv\u003e77GHz automotive anti-collision millimeter radar calibration, vehicle ADAS radar module trial production verification, in-car high-frequency RF circuit debugging。\u003c\/div\u003e\n\u003ch3\u003e5. RF Maintenance \u0026amp; Industrial DIY\u003c\/h3\u003e\n\u003cdiv\u003eIndustrial microwave equipment repair, custom RF test fixture modification, high-frequency experimental circuit assembly and upgrade.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e📦 Package Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Millimeter Wave RF Adapter \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Usage Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis K-type millimeter-wave adapter is designed exclusively for DC-40GHz high-frequency microwave testing, not recommended for low-frequency circuits below 1GHz.\u003c\/li\u003e\n\u003cli\u003eControl screwing torque moderately during installation; excessive tightening force will deform inner gold-plated pin and damage original electrical parameters.\u003c\/li\u003e\n\u003cli\u003eStore in dry, dustproof environment to protect precision gold plating against moisture corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can this 2.92mm adapter mate directly with standard SMA connectors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the K-type(2.92mm) features identical mechanical thread size with SMA, supports direct plug-in interconnection with all regular SMA male\/female connectors for hybrid test setup。\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Does it maintain stable VSWR performance under full DC-40GHz continuous operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, factory precision machining ensures VSWR ≤1.25 across the entire DC~40GHz working frequency range with low insertion loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Are bulk discount available for lab\/enterprise bulk purchase?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Volume discount is available for orders over 50 pieces, contact our sales team to get customized wholesale quotation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: What’s the advantage of SU303 passivated stainless steel housing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Passivation process removes free iron on stainless steel surface to avoid secondary oxidation and rust, stable performance under wide -55~+165℃ temperature fluctuation, greatly extend service life in harsh industrial \u0026amp; lab environment。\u003c\/p\u003e\n\u003c\/div\u003e","brand":"YILIANDUO","offers":[{"title":"2.92mm Male to Female","offer_id":54418884690225,"sku":"OL-4810","price":48.22,"currency_code":"USD","in_stock":true},{"title":"2.92mm Female to Female","offer_id":54418884722993,"sku":"OL-4809","price":48.36,"currency_code":"USD","in_stock":true},{"title":"2.92mm Male to Male","offer_id":54418884755761,"sku":"OL-4808","price":48.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/5628\/9329\/files\/OL-4810_4.jpg?v=1780557275","url":"https:\/\/yilianduo.com\/fr\/products\/yilianduo-2-92mm-female-to-female-k-type-rf-adapter-dc-40ghz-sma-compatible","provider":"YILIANDUO","version":"1.0","type":"link"}