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Receiver
RTL-dongle Rafael Micro R820T2, receiving range: 24 MHz to 1766 MHz

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      Bandpass filter and High-frequency amplifier                       Software Difened Radio receivers with RTLdongle/USB stick, Rafael Micro R820T2, 24 MHz to 1766 MHz

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Example screenshot 20 m with HDSDR

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Band-pass filter 28 MHz, High-frequency amplifier with BFW16A,
RTL-dongle setup for 28 to 30 MHz

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NL2923

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HF Amplfier

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Updated jan 2026