Adam, the manufacturer of the LNA4ALL low noise amplifier designed for use with the RTL-SDR, and similar software radios is putting out an interest check for an LNA4HF product. The LNA4HF will be a low noise amplifier with low pass filter designed to work with an existing RTL-SDR upconverter. It will amplify signals between 2 Mhz – 30 Mhz by 16.5dB.
Adam will make a batch once there is interest for at least 50.
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