{"product_id":"balun-one-nine-v2","title":"Balun One Nine v2","description":"\u003cmeta name=\"description\" content=\"Buy Balun One Nine v2 online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eBalun One Nine v2 - 1:9 HF Impedance Transformer\u003c\/h1\u003e\n\u003cp\u003eUnlock the full potential of your SDR receiver or HF radio with the Balun One Nine v2, a precision 1:9 impedance transformer designed for wideband shortwave listening. Perfect for pairing with long wire antennas, this compact balun delivers clean signal matching from low frequencies through HF bands. Ships from Bengaluru with full warranty and dedicated technical support from The Engineer Store.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eValue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003e1:9 Unun (Impedance Transformer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance Ratio\u003c\/td\u003e\n\u003ctd\u003e50Ohm to 450Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e0.5 MHz - 30 MHz (HF Band)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Connector\u003c\/td\u003e\n\u003ctd\u003eSMA Female (50Ohm side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna Connection\u003c\/td\u003e\n\u003ctd\u003eScrew Terminals (high-impedance side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Material\u003c\/td\u003e\n\u003ctd\u003eHigh-permeability Ferrite Toroid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB\u003c\/td\u003e\n\u003ctd\u003eGold-plated, compact form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsertion Loss\u003c\/td\u003e\n\u003ctd\u003eLess than 1 dB across operating range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e54 mm x 25 mm x 25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVersion\u003c\/td\u003e\n\u003ctd\u003ev2 (improved winding and PCB layout)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhy Choose This?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Build Over Generic Baluns:\u003c\/strong\u003e The v2 features a gold-plated PCB and precision-wound ferrite toroid, delivering consistent impedance matching and lower insertion loss compared to cheap hand-wound alternatives that degrade signal quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWideband HF Coverage in One Device:\u003c\/strong\u003e Covers 0.5 MHz to 30 MHz, letting you connect a simple long wire antenna to any 50Ohm SDR dongle or receiver and immediately start pulling in shortwave broadcasts, amateur radio, and utility signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBengaluru-Based Expert Support:\u003c\/strong\u003e Get fast shipping across India, hassle-free warranty, and access to a technical support team that understands RF and SDR applications - no waiting on overseas sellers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRTL-SDR Shortwave Receiver:\u003c\/strong\u003e Connect a 10-20 metre wire antenna through the Balun One Nine v2 to your RTL-SDR dongle and explore HF broadcasts, amateur radio, and SIGINT from your rooftop in Bengaluru.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable HF Monitoring Station:\u003c\/strong\u003e Pair with a telescopic whip or throw wire and a portable SDR for field-day monitoring, disaster communication awareness, or amateur radio contesting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd-Fed Half-Wave Antenna System:\u003c\/strong\u003e Use the balun as the feedpoint transformer for an EFHW antenna build, matching high-impedance antenna endpoints to your 50Ohm transceiver or receiver.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBalun One Nine v2 - 1:9 Impedance Transformer Module\u003c\/li\u003e\n\u003cli\u003eSMA Female connector pre-soldered on 50Ohm side\u003c\/li\u003e\n\u003cli\u003eScrew terminals for antenna wire connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat does a 1:9 balun do?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt transforms impedance by a 1:9 ratio, converting a 450Ohm high-impedance long wire antenna down to 50Ohm, which is the standard impedance for SDR receivers, amateur radios, and most RF equipment. This ensures maximum power transfer and minimal signal loss.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I use this with an RTL-SDR dongle?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. The SMA output connects directly to RTL-SDR dongles and other popular SDR receivers. Simply attach a long wire antenna to the screw terminals and you have a capable HF receiving setup.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow long should my antenna wire be?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFor general shortwave listening, a wire between 10 and 20 metres works well. Longer wires capture more signal but may pick up more noise. Experiment based on your location and target frequencies.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this a balun or an unun?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eTechnically it is an unun (unbalanced-to-unbalanced transformer), since both the coax side and the long wire side are unbalanced. The \"Balun One Nine\" name is a popular community convention for this design.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I transmit through this balun?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe Balun One Nine v2 is designed primarily for receive applications. It is not rated for transmit power. For QRP or higher-power transmitting, use a dedicated transmit-rated balun with appropriate power handling.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes it need a ground connection?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eAdding a ground wire or counterpoise to the second screw terminal significantly improves performance by reducing noise and stabilizing impedance. A ground rod or a few metres of counterpoise wire is recommended.\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eBuy Balun One Nine v2 Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eBalun One Nine v2\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eBalun One Nine v2\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eBalun One Nine v2\u003c\/strong\u003e at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43853777371299,"sku":"TES-EV02806","price":3343.24,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/Balun-228x228.jpg?v=1704192307","url":"https:\/\/www.theengineerstore.in\/zh-hans\/products\/balun-one-nine-v2","provider":"The Engineer Store","version":"1.0","type":"link"}