Conversione impedenza 9:1 Balun 9:1 per ricevitori RTL-SDR per antenne a filo lungo

Supports long forRTL-SDR antennas with BNC connectors. 9:1 impedance converter (balun). 9:1 Impedance Converter: Matches impedance for improved signal transmission with long wire antennas. Wide Frequency Range: Supports operation from 100KHz to 50MHz for versatile radio applications.

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