DIY SDR HF Up-Converter by WA7JHZ: Another good choice for your RTLSDR. | RETROVOLTAGE
Amazon.com: SDR Radio Receiver Transmitter, HF Built in Mic Shortwave Aluminum Alloy 100‑240V SDR Transmitter DSP for DIY (US Plug) : Electronics
PA3FWM's software defined radio page
Software Defined Radio with Arduino Nano | Radio Club PZK LAB-EL HF5L
RSP1 SDR Receiver Msi2500 Msi001 Simplified SDR Radio Receiver 10kHz-1GHz DIY Electronic Accessories Sdr Reciver - AliExpress
Build your own Software Defined Radio (SDR) | digibirds side
Software Defined Radio Transceiver - Make:
SDR with arduino - Project Guidance - Arduino Forum
MSI SDR Receiver Durable DIY Portable Radio Receiver Module
DIY SDR DSP Radio with Raspberry Pi and RTLSDR dongle - YouTube
Building a Quad RTL-SDR Receiver for Radio Astronomy
Getting Started With SDR (software defined radio): Tutorial - Austin's Nerdy Things
DIY SDR DSP Radio with Raspberry Pi and RTLSDR Dongle - Hackster.io
DIY SW, MW, SDR Radio with ESP32 and Si5351 - Hackster.io
DIY SDR CW Xcvr Project - YouTube
PA3FWM's software defined radio page
DIY RTL SDR: Building a 100kHz-1.7GHz Software Defined Radio - OE6FTE amateur radio blog
Homebrew LMR SDR TRX – F5NPV – V85NPV
DIY Software Defined Radio Experimenter Board - YouTube
Building a Software-Defined Radio | DigiKey
DIY SDR DSP Radio with Raspberry Pi and RTLSDR | Hackaday.io
