QRPGuys 40/30/20m DSB Digital Transceiver Kit – Retired   This kit has been retired and replaced by the new QRPGuys 40/30/20m DSB Digital Transceiver II Kit.   Click here for the new Rev. II transceiver details.   The QRPGuys DSB Digital Transceiver is a low cost, multiband, DSB transceiver kit, currently with three easy plug-in … Continue reading QRPGuys DSB Digital Transceiver Kit