High Impedance Amplifier for SDR ($15.65)

Even the Matrix didn’t see this coming: $15.65 (source: Banggood). Updated: 14-12-2025.

High Impedance Amplifier for SDR Walkie Talkie Small Loop Antenna HackRF One Donut Antenna – Black
Banggood warehouse: China.

Price: $15.65

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