USDX USDR SDR Transceiver All Mode 8 Band HF Ham Radio QRP CW Transceiver
USDR is optimized and modified based on the open source work uSDX/QCX-SSB. This is a shortwave QRP SSB/CW transceiver. The ultra-small size makes it easy to carry for outdoor use. It adopts 1602N LCD screen, built-in speakers.