USDX is optimized and modified based on Guido PE1NNZ's open source project uSDX/QCX-SSB. uSDX is a shortwave QRP SSB/CW transceiver. With 1602 LCD screen and ultra-small size, it is easy to carry. HamGeek uSOTA-ATU USDX HF QRP SDR Transceiver Built-in ATU-100 Antenna Tuner with Dual OLED Display.
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