{"product_id":"yx-os73-kc901c-multi-function-antenna-feeder-analyzer-network-tester-signal-generator-field-strength-meter-spectrum-scanner-fault-locator-2g-support","title":"YX-OS73 KC901C+ Multi-Function Antenna \u0026 Feeder Analyzer – Network Tester, Signal Generator, Field Strength Meter, Spectrum Scanner, Fault Locator, 2G Support","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eKC901C+\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a versatile vector antenna analyzer and network tester, part of the trusted 901 family with frequency coverage up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2 GHz\u003c\/strong\u003e. It supports single‑port vector network analysis and simple two‑port vector analysis, while extending functionality with spectrum viewing, field strength observation, and signal generation. Portable and practical — with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5‑hour battery\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1‑liter volume\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1 kg weight\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— it brings a new level of freedom to field testing.\u003c\/p\u003e\n\u003cdiv\u003eKey features\u003c\/div\u003e\n\u003cul class=\"highlight-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e9 kHz – 2 GHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency resolution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 Hz\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eReliable accuracy \u0026amp; stability\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble conversion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e· excellent anti‑interference performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRich features in a lightweight design\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— 1 dm³, 1 kg, 5h battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple modes:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003etransmission, reflection, spectrum, field strength, signal source\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRF circuit debugging, filter\/amplifier\/divider tuning, antenna system evaluation, impedance matching, interference hunting, broadcast transmitter maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sub-section\"\u003eMain Functions\u003c\/div\u003e\n\u003cdiv class=\"feature-grid\"\u003e\n\u003cdiv class=\"item\"\u003e\n\u003cstrong\u003eTransmission Test\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePhase \u0026amp; amplitude · filter\/amplifier tuning · antenna directivity verification\u003c\/div\u003e\n\u003cdiv class=\"item\"\u003e\n\u003cstrong\u003eReflection Test\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVector impedance matching · feed system quality check\u003c\/div\u003e\n\u003cdiv class=\"item\"\u003e\n\u003cstrong\u003eSpectrum \u0026amp; Field Strength\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTransmitter performance verification · interference source detection\u003c\/div\u003e\n\u003cdiv class=\"item\"\u003e\n\u003cstrong\u003eSignal Source\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSingle‑frequency output · FM\/ASK modulation support\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sub-section\"\u003eTechnical Specifications\u003c\/div\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eModel\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eKC901C+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eFrequency range\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e9 kHz – 2 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eFrequency resolution\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eArchitecture\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eDouble conversion (anti‑interference)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eNetwork analysis\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eSingle‑port vector · two‑port simplified vector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eAdditional functions\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eSpectrum view · field strength · signal generator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eSignal modulation\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eFM \/ ASK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eBattery life\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eUp to 5 hours continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eVolume\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e~1 dm³ (1 liter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eWeight\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e~1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sub-section\"\u003eTypical Applications\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eTuning RF circuits: filters, amplifiers, splitters, combiners\u003c\/li\u003e\n\u003cli\u003eTesting input\/output impedance and feed system quality\u003c\/li\u003e\n\u003cli\u003eEvaluating signal amplitude at each stage of a device\u003c\/li\u003e\n\u003cli\u003eField strength measurement and interference hunting\u003c\/li\u003e\n\u003cli\u003eProfessional communications engineering and broadcast transmitter maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"sub-section\"\u003eImportant Note\u003c\/div\u003e\n\u003cdiv class=\"note-box\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference only:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePublished technical parameters prevail. KC901C is fundamentally a network analyzer — other functions are practical tools derived from the network analyzer architecture and are for reference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sub-section\"\u003ePackage Contents\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eKC901C+ vector antenna analyzer ×1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YanTechLab","offers":[{"title":"Default Title","offer_id":48273344626853,"sku":null,"price":1104.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/7367\/9781\/files\/ScreenShot_2026-09-12_170810_205.png?v=1789204391","url":"https:\/\/yantechlab.com\/products\/yx-os73-kc901c-multi-function-antenna-feeder-analyzer-network-tester-signal-generator-field-strength-meter-spectrum-scanner-fault-locator-2g-support","provider":"YanTechLab","version":"1.0","type":"link"}