{"product_id":"1-64-efhw-balun-1-30mhz-100w-pep-end-fed-half-wave-ham-radio","title":"1:64 EFHW Balun 1–30MHz 100W PEP | End Fed Half Wave Ham Radio","description":"\n\u003ch2\u003e1:64 EFHW Balun – End Fed Half Wave Antenna Transformer for Ham Radio\u003c\/h2\u003e\n\u003cp\u003eUpgrade your amateur radio setup with this precision-engineered \u003cstrong\u003e1:64 impedance transformation balun\u003c\/strong\u003e, purpose-built for End Fed Half Wave (EFHW) antennas. Covering the full shortwave spectrum from \u003cstrong\u003e1 to 30 MHz\u003c\/strong\u003e and rated at \u003cstrong\u003e100W PEP\u003c\/strong\u003e, this balun delivers reliable performance across all major amateur radio bands.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1:64 Impedance Transformation:\u003c\/strong\u003e Efficiently matches a 50Ω unbalanced coaxial input to an approximately 3.2kΩ balanced output — ideal for EFHW antenna systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroadband HF Coverage:\u003c\/strong\u003e Supports continuous shortwave operation from 1–30 MHz, including popular amateur bands at 7, 14, 21, and 28 MHz.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow SWR Performance:\u003c\/strong\u003e Precision toroid winding ensures a standing wave ratio (SWR) below 1.5 at common amateur radio frequencies for clean, efficient signal transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100W PEP Power Rating:\u003c\/strong\u003e Handles up to 100W PEP in SSB mode and up to 60W in CW, FM, AM, FT4, and FT8 modes — plenty of headroom for portable and home station use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRugged, Weather-Ready Construction:\u003c\/strong\u003e Epoxy-encapsulated internals and a 304 stainless-steel housing ensure durability and stability even under high-temperature conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Antenna Assembly:\u003c\/strong\u003e Build your own wire antenna array — Band 4 requires approximately 20 metres of wire and Band 8 approximately 40.4 metres. Use an antenna analyzer to fine-tune your chosen frequency band.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImpedance Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1:64 (50Ω → ~3.2kΩ)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1–30 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Power (SSB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100W PEP\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Power (CW\/FM\/AM\/FT4\/FT8)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS \u0026amp; 304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 1:64 EFHW Balun Converter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAntenna wire is \u003cstrong\u003enot included\u003c\/strong\u003e — you will need to fabricate your own wire antenna array.\u003c\/li\u003e\n  \u003cli\u003eAn antenna analyzer is recommended to optimize SWR for your target frequency band.\u003c\/li\u003e\n  \u003cli\u003eSlight colour variation may occur due to monitor brightness and ambient lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow for minor manual measurement tolerances in the listed dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\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\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a 1:64 EFHW balun and why do I need one for my ham radio antenna?\u003c\/h4\u003e\n\u003cp\u003eA: An EFHW (End Fed Half Wave) balun with a 1:64 impedance ratio transforms the standard 50Ω coaxial feedline impedance up to approximately 3.2kΩ — the natural impedance at the end of a half-wave wire antenna. Without this transformation, most of the RF power would be reflected rather than radiated, resulting in high SWR and poor antenna efficiency. This balun solves that mismatch, enabling clean, efficient operation across the 1–30 MHz HF bands.\u003c\/p\u003e\n\u003ch4\u003eQ: What modes and power levels are supported?\u003c\/h4\u003e\n\u003cp\u003eA: This EFHW balun is rated for up to 100W PEP in SSB (Single Sideband) mode, and up to 60W for continuous-duty modes such as CW, FM, AM, FT4, and FT8. Always stay within the rated power limits to ensure long-term reliability.\u003c\/p\u003e\n\u003ch4\u003eQ: How long does my antenna wire need to be?\u003c\/h4\u003e\n\u003cp\u003eA: Wire length depends on your target band. As a guide, Band 4 (approximately 20 metres of wire) targets the 20m amateur band, while Band 8 (approximately 40.4 metres) targets the 40m band. Use an antenna analyzer to fine-tune the wire length and confirm SWR is within acceptable limits for your specific operating frequency.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this balun suitable for portable or field use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The compact ABS and 304 stainless-steel construction with epoxy-encapsulated internals makes this balun robust enough for both home station and portable or SOTA (Summits on the Air) deployments. Its broad 1–30 MHz coverage means you can operate on multiple bands with a single unit.\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\": \"What is a 1:64 EFHW balun and why do I need one for my ham radio antenna?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An EFHW (End Fed Half Wave) balun with a 1:64 impedance ratio transforms the standard 50Ω coaxial feedline impedance up to approximately 3.2kΩ — the natural impedance at the end of a half-wave wire antenna. Without this transformation, most of the RF power would be reflected rather than radiated, resulting in high SWR and poor antenna efficiency. This balun solves that mismatch, enabling clean, efficient operation across the 1–30 MHz HF bands.\"}}, {\"@type\": \"Question\", \"name\": \"What modes and power levels are supported?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This EFHW balun is rated for up to 100W PEP in SSB (Single Sideband) mode, and up to 60W for continuous-duty modes such as CW, FM, AM, FT4, and FT8. Always stay within the rated power limits to ensure long-term reliability.\"}}, {\"@type\": \"Question\", \"name\": \"How long does my antenna wire need to be?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Wire length depends on your target band. As a guide, Band 4 (approximately 20 metres of wire) targets the 20m amateur band, while Band 8 (approximately 40.4 metres) targets the 40m band. 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Its broad 1–30 MHz coverage means you can operate on multiple bands with a single unit.\"}}]}\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\": \"1:64 EFHW Balun 1–30MHz 100W PEP | End Fed Half Wave Ham Radio\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/1-64-efhw-balun-1-30mhz-100w-pep-end-fed-half-wave-ham-radio\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447714488384,"sku":"200007763:201336100","price":111.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S3fbfd24ffd7342bcac52a09c6830bb9dd.webp?v=1792562378","url":"https:\/\/primedgoods.com\/products\/1-64-efhw-balun-1-30mhz-100w-pep-end-fed-half-wave-ham-radio","provider":"PRIMED","version":"1.0","type":"link"}