RTL SDR V4 - Now with Built-In HF Upconverter + More Features

Ham It Up v1.3 - Listen to HF on Your RTL-SDR, No case Assembled PCB

Stream RTL-SDR IQ data over a network using a Raspberry Pi

RTL-SDR: Seven Years Later

How can a software-defined radio be used in a radio station? - Quora

DIY SDR HF Up-Converter by WA7JHZ: Another good choice for your RTLSDR.

RTL SDR V4 - Now with Built-In HF Upconverter + More Features

RTL-SDR V4 (Software Defined Radio) with Dipole Antenna Kit – Elektor

Ham It Up Plus v2 - Extend the Range of Your RTL-SDR, NESDR or Other Radio Down to 300Hz. HF/MF/LF/VLF/ULF Upconverter and Panadapter w/TCXO & Switchable LNA/Passthrough Options - Nooelec

RTL SDR Receiver, Small Size R820T2 Chip Set Assembled Full Band Receiver For Aviation

RTL-SDR Blog V4, Better Than V3? (review)

RTL-SDR Blog V4 dongle launched with Rafeal R828D tuner chip - CNX Software