microHAM u2R firmware v3.1

microHAM · Released Dec 4, 2013 · First seen Sep 9, 2026

Source: microham.com

v3.1 is not the latest firmware for the microHAM u2R: the current version is v3.5 (August 9, 2018). Go to v3.5

What's in this update

  • new optional feature FSK stuffing: Gaps ​in FSK stream from computer are adaptively filled with letter​ or figure shifts to achieve continuous stream.

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Other versions for this product

See the full firmware history for the u2R