Ham It Up v1.3: HF Upconverter For SDR (RTL-SDR, HackRF); RF Converter R820T2 EU
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NooElec Ham It Up Plus v2 - Extend the Range of Your RTL-SDR, NESDR or Other Radio Down to 300Hz. HF/MF/LF/VLF/ULF Upconverter and Panadapter w/TCXO & Switchable LNA/Passthrough Options : : Electronics
RTL-SDR TCXO RTL SDR R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Software Defined Radio (Dongle Only), Surefil Sdr
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