{"product_id":"hamgeek-blue-donut-sw-antenna-mini-loop-4mhz-24mhz","title":"Hamgeek Blue Donut SW Antenna Mini Loop 4MHz-24MHz","description":"\u003cdiv class=\"rfc-product-details\" style=\"font-size:14px; line-height:1.5;\"\u003e\n\n\u003csection style=\"margin-bottom:10px;\"\u003e\n\u003ch2 style=\"font-size:18px; font-weight:700; margin:0 0 6px;\"\u003e\nHamGeek Blue Donut SW Antenna Mini Loop 4MHz-24MHz\n\u003c\/h2\u003e\n\n\u003cp style=\"margin:0;\"\u003e\nThe HamGeek Blue Donut SW Antenna is a compact passive mini loop antenna designed to enhance shortwave reception from 4 MHz to 24 MHz. Utilizing a resonant loop design optimized for portable receivers and SDR applications, it provides improved reception of shortwave broadcasts and HF signals while maintaining an extremely lightweight and travel-friendly form factor. Its compact PCB construction and direct SMA connection make it ideal for portable listening stations and field monitoring applications.\n\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-top:12px;\"\u003e\n\u003ch3 style=\"font-size:15px; font-weight:600; margin:0 0 6px;\"\u003e\nKey Features\n\u003c\/h3\u003e\n\n\u003cul style=\"padding-left:18px; margin:0;\"\u003e\n\u003cli\u003ePassive resonant mini loop antenna for shortwave reception\u003c\/li\u003e\n\u003cli\u003eOptimized frequency coverage from 4 MHz to 24 MHz\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for HF and shortwave listening applications\u003c\/li\u003e\n\u003cli\u003eCompact donut-style PCB loop construction\u003c\/li\u003e\n\u003cli\u003eLightweight portable design for travel and field use\u003c\/li\u003e\n\u003cli\u003eSuitable for SDR receivers and portable shortwave radios\u003c\/li\u003e\n\u003cli\u003eSMA male connector for direct receiver connection\u003c\/li\u003e\n\u003cli\u003eNo external power source required\u003c\/li\u003e\n\u003cli\u003ePlug-and-play installation with compatible receivers\u003c\/li\u003e\n\u003cli\u003eNarrow-band resonant loop design for improved signal pickup\u003c\/li\u003e\n\u003cli\u003eCompatible with Malachite DSP receivers and similar SDR platforms\u003c\/li\u003e\n\u003cli\u003eCompact footprint ideal for limited-space operation\u003c\/li\u003e\n\u003cli\u003eDurable PCB construction for long service life\u003c\/li\u003e\n\u003cli\u003ePortable solution for outdoor listening sessions\u003c\/li\u003e\n\u003cli\u003eConvenient antenna upgrade for compact HF receivers\u003c\/li\u003e\n\u003cli\u003eCan be used in temporary, portable, or travel monitoring setups\u003c\/li\u003e\n\u003cli\u003eImproves reception compared to built-in telescopic antennas in many applications\u003c\/li\u003e\n\u003cli\u003eSuitable for broadcast shortwave and utility signal monitoring\u003c\/li\u003e\n\u003cli\u003eRequires minimal installation space\u003c\/li\u003e\n\u003cli\u003eEasy storage and transportation\u003c\/li\u003e\n\u003cli\u003eIdeal companion antenna for portable DSP receivers\u003c\/li\u003e\n\u003cli\u003eOptimized for receive-only applications\u003c\/li\u003e\n\u003cli\u003eSimple integration with SMA-equipped receivers\u003c\/li\u003e\n\u003cli\u003eSuitable for hobbyists, SWLs, and radio monitoring enthusiasts\u003c\/li\u003e\n\u003cli\u003eCompact design minimizes packing space for field operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-top:12px;\"\u003e\n\u003ch3 style=\"font-size:15px; font-weight:600; margin:0 0 6px;\"\u003e\nTypical Uses\n\u003c\/h3\u003e\n\n\u003cul style=\"padding-left:18px; margin:0;\"\u003e\n\u003cli\u003eShortwave listening (SWL)\u003c\/li\u003e\n\u003cli\u003ePortable HF monitoring\u003c\/li\u003e\n\u003cli\u003eSoftware Defined Radio (SDR) applications\u003c\/li\u003e\n\u003cli\u003eTravel and field listening stations\u003c\/li\u003e\n\u003cli\u003eBroadcast shortwave reception\u003c\/li\u003e\n\u003cli\u003eUtility signal monitoring\u003c\/li\u003e\n\u003cli\u003ePortable DSP receiver enhancement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-top:12px;\"\u003e\n\u003ch3 style=\"font-size:15px; font-weight:600; margin:0 0 6px;\"\u003e\nIn the Box\n\u003c\/h3\u003e\n\n\u003cul style=\"padding-left:18px; margin:0;\"\u003e\n\u003cli\u003eHamGeek Blue Donut SW Mini Loop Antenna\u003c\/li\u003e\n\u003cli\u003eIntegrated SMA connector assembly\u003c\/li\u003e\n\u003cli\u003eUser documentation (if supplied by vendor)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"Hamgeek","offers":[{"title":"Default Title","offer_id":45974272475267,"sku":"RF-HG-DONUT-SW-ANT","price":950.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5576\/6147\/files\/Blue-Donut-SW-Antenna-Mini-Loop-1.png?v=1766409489","url":"https:\/\/rfcharge.com\/products\/hamgeek-blue-donut-sw-antenna-mini-loop-4mhz-24mhz","provider":"RFCharge","version":"1.0","type":"link"}