Amazon.com: GOWENIC Usdr Usdx Sdr Transceiver, Mobile Transceiver Sdr 8 Band Full Mode Hf SSB Qrp Radio Transceiver for Signal Receiving Equipment : Electronics
ME20+ 20 meter CW QRP Transceiver, Complete Kit, Similar to SW40+, Small Wonder | eBay
QRPGuys AFP-FSK Digital Transceiver III - QRPGuys
QCX+ 5W CW transceiver
QRP NVIS Data Modes Go Kit (TR)uSDX – Off Grid Ham Radio OH8STN
Building the EA3GCY DB4020 Dual-band 40 and 20M QRP SSB Transceiver Kit (Part 1) | The SWLing Post