Balun 9:1 per ricevitori RTL-SDR accessorio antenna portatile accessorio radio da campo

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

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