RTL-SDR has released their latest V4 model of their USB software defined radio dongle. Updates include:

• Improved HF reception with use of built-in upconverter.

• Out of band interference from strong broadcast stations is less likely to cause desensitization.

• Consumes less current and produces less heat.

The RTL-SDR V4 SDR will be priced around $40.

More Information - https://www.rtl-sdr.com/rtl-sdr-blog-v4-dongle-initial-release/