{"product_id":"johansson-4581","title":"Johansson 4581 8-Way SAT\/TV Passive Tap – 5-2300 MHz, 16 dB Tap Loss \u0026 DC Pass","description":"\u003cp\u003eThe Johansson 4581 is a professional 8-way passive tap for distributing TV and satellite signals from a main trunk line to up to eight separate outlets simultaneously. With a tap loss of 16 dB and a frequency range covering 5–2300 MHz, it supports all terrestrial, cable and satellite IF distribution applications.\u003c\/p\u003e\n\u003cp\u003eDesigned for indoor installation in residential blocks, MDUs, and commercial antenna distribution systems, the 4581 features a compact nickel-plated zinc diecast housing with F-type connectors and DC power pass capability for powering active antennas or line amplifiers.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e8-way passive tap covering 5–2300 MHz (DVB-T\/T2, DVB-C, SAT IF)\u003c\/li\u003e\n\u003cli\u003eTap loss 16 dB (±2 dB) for controlled, predictable signal distribution\u003c\/li\u003e\n\u003cli\u003eThrough (insertion) loss \u0026lt;5 dB, preserving signal on the main trunk line\u003c\/li\u003e\n\u003cli\u003eTap-to-tap and output-to-tap isolation \u0026gt;20 dB\u003c\/li\u003e\n\u003cli\u003eDC power pass (input\/output) for powering active components inline\u003c\/li\u003e\n\u003cli\u003eF-type connectors throughout for reliable, interference-free connections\u003c\/li\u003e\n\u003cli\u003eNickel-plated zinc diecast housing — compact and robust\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e8 simultaneous tap ports enable multi-room or multi-flat distribution from a single cable run\u003c\/li\u003e\n\u003cli\u003ePredictable 16 dB tap attenuation simplifies system level calculations\u003c\/li\u003e\n\u003cli\u003eLow trunk-line insertion loss keeps the main distribution signal intact for further cascade\u003c\/li\u003e\n\u003cli\u003eProfessional Scandinavian build quality ensures long-term, maintenance-free performance\u003c\/li\u003e\n\u003cli\u003eCompact form factor fits easily in distribution boxes and concealed enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 5–2300 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Tap Outputs:\u003c\/strong\u003e 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTap Loss:\u003c\/strong\u003e 16 dB (±2 dB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsertion Loss (Through):\u003c\/strong\u003e \u0026lt;5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Isolation:\u003c\/strong\u003e \u0026gt;20 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturn Loss:\u003c\/strong\u003e \u0026gt;10 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 75 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e F-type\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Pass:\u003c\/strong\u003e Yes (input\/output)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e Nickel-plated zinc diecast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Passive (no power required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 57 × 120 × 25 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhy You'll Love It\u003c\/h4\u003e\n\u003cp\u003eThe Johansson 4581 is the go-to solution for professional installers who need to distribute a single antenna feed to eight outlets without compromising signal quality — delivering the reliability and precision that Johansson is known for worldwide.\u003c\/p\u003e","brand":"Johansson","offers":[{"title":"Default Title","offer_id":56563371966846,"sku":"204127","price":13.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/2250\/3550\/files\/15671315136894.webp?v=1779626741","url":"https:\/\/lynk.gr\/en-us\/products\/johansson-4581","provider":"Lynk.gr","version":"1.0","type":"link"}