2.7K Filtro de banda estrecha YF-122S Compatible Para Yaesu FT-817/857/897/SSB FT-818 | eBay
File:FiltroFIRPasaBanda.png - Wikimedia Commons
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Grup TEFSA - Belt filter presses
JG HITechnology - ✔️137MHz NOAA filter ✔️Sat Pass band filter ✔️Only 1.5dB at 137MHz ✔️Perfect 50Ohm tune 🇮🇹100% Made in Italy 🇮🇹 More info : https://www.jghitechnology.com/it/passa-banda/23-filtro-passa-banda-ad-elica-145MHz-2M-VHF.html ...