{"product_id":"fm-notch-bandstop-filter-for-software-defined-radi","title":"FM Notch Bandstop Filter For Software Defined Radio RTL SDR Notch Block 88 To 108 MHz Broadcast Signals With Ultra High Attenuation Preventing Receiver Overload On SMA Connected Radios","description":"\u003cdiv\u003eFM Notch Bandstop Filter for SDR: Blocks 88-108 MHz\u003cbr\u003e\n✔️ Ultra-high attenuation (\u0026gt;60dB avg, \u0026gt;70dB max) blocks FM signals \u003cp\u003eThis high-attenuation FM notch filter protects SDRs and FM receivers from overload caused by very strong broadcast FM signals. It’s typically used in urban environments with nearby high-wattage FM transmitters to keep front-end RF stages from saturating.\u003c\/p\u003e \u003cp\u003e✅ Attenuation: \u0026gt;60dB avg, \u0026gt;70dB max within 88-108 MHz stop band\u003cbr\u003e✅ Stop band: 88-108 MHz blocks broadcast FM transmissions to prevent overload\u003cbr\u003e✅ Insertion loss: \u0026lt;0.25dB avg outside stop band preserves sensitivity\u003cbr\u003e✅ Adjacent band impact: ~8dB avg attenuation at 108-137 MHz\u003cbr\u003e✅ Construction: SMA-connected radios, black finish, North America design, 2-year warranty\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is an FM notch bandstop filter used for in SDR setups and why is it handy in high-FM areas?\u003c\/p\u003e\nIt helps keep receivers stable by suppressing overpowering FM transmissions with strong attenuation. - Blocks 88-108 MHz broadcast FM with high attenuation to protect SDR front-ends\u003cbr\u003e\n- Maintains sensitivity outside the stop band with low insertion loss (\u0026lt;0.25dB)\u003cbr\u003e\n- Designed for SMA-connected radios and North American builds with a 2-year warranty\u003cbr\u003e ✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48930675261675,"sku":"VXB07XKY8YKB","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71EUjhj9XXL.jpg?v=1782357417","url":"https:\/\/vxb.com\/products\/fm-notch-bandstop-filter-for-software-defined-radi","provider":"VXB Bearings","version":"1.0","type":"link"}