Thank you to Süleyman Dündar for submitting news about the pre-release of their new product called "DSG-22.6 GHz". DSG-22.6 GHz is a compact, handheld, open-source RF signal generator covering a continuous range from 300 MHz to 22.6 GHz with 1 Hz tuning resolution, 40BC harmonic level, and power output ranging from 15 dBm to -50 dBm.

An RF signal generator produces a clean, stable radio frequency signal at a chosen frequency. It is a helpful tool for testing SDRs and other radio equipment, such as low-noise amplifiers (LNAs), RF filters, mixers etc.

Competition to the DSG-22.6 GHz may include the ERASynth Micro and moRFeus; however, neither covers the wide frequency range of the DSG-22.6 GHz, and it appears that the ERASynth Micro has been discontinued.

Currently, the product is in the pre-release crowdfunding stage on Crowd Supply, so pricing hasn't been revealed. Interested individuals can subscribe to receive updates on their campaign page. The open source code can also be found on GitHub.