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Malahit DSP SDR V3 50KHz - 2GHz DSP SDR Receiver. In a review it was concluded [https://swling.com/blog/2021/09/malahit-dsp-2-versus-chinese-clone-taking-the-gloves-off/ the quality of the HFDY unit exceeds that of the Russia-made DSP-2]. Malahit DSP SDR V3 50KHz - 2GHz DSP SDR Receiver. This is an all-in-one portable SDR that is controlled via a touch screen and two encoders. In a review it was concluded [https://swling.com/blog/2021/09/malahit-dsp-2-versus-chinese-clone-taking-the-gloves-off/ the quality of the HFDY unit exceeds that of the Russia-made DSP-2].