New 0.1MHz-1.7GHz TCXO RTL SDR Receiver R820T2 USB RTL-SDR Dongle with 0.5Ppm TCXO SMA MJZSEE A300U Tester

New 0.1MHz-1.7GHz TCXO RTL SDR Receiver R820T2 USB RTL-SDR Dongle with 0.5Ppm TCXO SMA MJZSEE A300U Tester

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