{"product_id":"portable-passive-hf-vhf-loop-antenna-10khz-300mhz-sdr","title":"Portable Passive HF\/VHF Loop Antenna 10kHz–300MHz SDR","description":"\n\u003ch2\u003eUltra-Portable Passive HF\/VHF Loop Antenna – Low-Loss Broadband Reception\u003c\/h2\u003e\n\u003cp\u003eTake your radio monitoring to the next level with this \u003cstrong\u003ePortable Passive HF\/VHF Loop Antenna\u003c\/strong\u003e. Engineered for hobbyists, SDR enthusiasts, and field operators, this compact antenna delivers broad frequency coverage from \u003cstrong\u003e10 kHz all the way up to 300 MHz\u003c\/strong\u003e — no tuning, no power supply, no fuss. The passive design means zero adjustment is needed; simply connect and start receiving.\u003c\/p\u003e\n\n\u003cp\u003eBuilt to strict quality control standards, the antenna features a \u003cstrong\u003elow-loss broadband T-type balancer\u003c\/strong\u003e with a typical insertion loss of just \u003cstrong\u003e0.28 dB\u003c\/strong\u003e, ensuring clean, reliable signal performance across the entire HF and VHF spectrum. The rugged ABS + metal construction keeps it lightweight enough for portable use while maintaining the durability demanded in the field.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003ePassive design\u003c\/strong\u003e – no power required, no tuning needed\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWide frequency range\u003c\/strong\u003e – HF: 10 kHz–30 MHz | VHF: up to 300 MHz\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eUltra-low loss\u003c\/strong\u003e – T-type broadband balancer, typical loss only 0.28 dB\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003ePortable \u0026amp; compact\u003c\/strong\u003e – ideal for field use, travel, and portable SDR setups\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eHigh reliability\u003c\/strong\u003e – stable performance, rigorous build and test standards\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eReady-to-use cable bundle\u003c\/strong\u003e – includes SMA connectors and coaxial feeders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFull Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eBlack + Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eABS + Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eHF Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e10 kHz – 30 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eVHF Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eUp to 300 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMax Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e250 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eFeeder Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e6 meters (SMA male to male)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eTypical Balancer Loss\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0.28 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× T-type broadband balancer\u003c\/li\u003e\n  \u003cli\u003e1× Inverter\u003c\/li\u003e\n  \u003cli\u003e2× 1-meter RG402 coaxial cable\u003c\/li\u003e\n  \u003cli\u003e1× 6-meter RG174 coaxial cable feeder\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more electronics and DIY components? Check out these popular items:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does this passive loop antenna require a power source or battery to operate?\u003c\/h4\u003e\n\u003cp\u003eA: No — this is a fully passive antenna design. It requires no external power source, battery, or amplifier to function. Simply connect it to your SDR receiver or radio equipment via the included SMA coaxial cables and it's ready to use.\u003c\/p\u003e\n\u003ch4\u003eQ: What frequency range does this HF\/VHF loop antenna cover?\u003c\/h4\u003e\n\u003cp\u003eA: This portable loop antenna covers a wide frequency range: HF from 10 kHz to 30 MHz, and VHF up to 300 MHz, making it highly versatile for shortwave listening, SDR monitoring, amateur radio reception, and more.\u003c\/p\u003e\n\u003ch4\u003eQ: What cables and connectors are included with the antenna?\u003c\/h4\u003e\n\u003cp\u003eA: The package includes one T-type balancer, one inverter, two 1-meter RG402 coaxial cables, and one 6-meter RG174 coaxial cable feeder with SMA male-to-male connectors — everything you need to set up right out of the box.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this antenna suitable for Software Defined Radio (SDR) setups?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this antenna is an excellent choice for SDR (Software Defined Radio) applications. Its broad 10 kHz–300 MHz frequency response, passive design, and low 0.28 dB balancer loss make it well-suited for use with popular SDR dongles and receivers in both indoor and portable outdoor setups.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this passive loop antenna require a power source or battery to operate?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — this is a fully passive antenna design. It requires no external power source, battery, or amplifier to function. Simply connect it to your SDR receiver or radio equipment via the included SMA coaxial cables and it's ready to use.\"}}, {\"@type\": \"Question\", \"name\": \"What frequency range does this HF\/VHF loop antenna cover?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This portable loop antenna covers a wide frequency range: HF from 10 kHz to 30 MHz, and VHF up to 300 MHz, making it highly versatile for shortwave listening, SDR monitoring, amateur radio reception, and more.\"}}, {\"@type\": \"Question\", \"name\": \"What cables and connectors are included with the antenna?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The package includes one T-type balancer, one inverter, two 1-meter RG402 coaxial cables, and one 6-meter RG174 coaxial cable feeder with SMA male-to-male connectors — everything you need to set up right out of the box.\"}}, {\"@type\": \"Question\", \"name\": \"Is this antenna suitable for Software Defined Radio (SDR) setups?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, this antenna is an excellent choice for SDR (Software Defined Radio) applications. Its broad 10 kHz–300 MHz frequency response, passive design, and low 0.28 dB balancer loss make it well-suited for use with popular SDR dongles and receivers in both indoor and portable outdoor setups.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Portable Passive HF\/VHF Loop Antenna 10kHz–300MHz SDR\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/portable-passive-hf-vhf-loop-antenna-10khz-300mhz-sdr\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447613005888,"sku":"200007763:201336100","price":91.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S94ada6edde98440ea7ed7636ce13d57eP.webp?v=1792557336","url":"https:\/\/primedgoods.com\/products\/portable-passive-hf-vhf-loop-antenna-10khz-300mhz-sdr","provider":"PRIMED","version":"1.0","type":"link"}