Note: Do not set max_freq_hz past 3.2GHz. The SAA-2N mixer loses lock above 3.2GHz, and the firmware will freeze.

Out of the box, many SAA-2N units ship with older, buggy firmware that suffers from:

Follow the "NanoVNA SAA-2N Firmware" thread on (NanoVNA-users group) for beta releases.

If you encounter any issues or have suggestions, provide feedback to the developer community. Your input can help improve future firmware versions.

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