microHAM micro KEYER II firmware v4.1

microHAM · Released Nov 18, 2008 · First seen Sep 9, 2026

Source: microham.com

v4.1 is not the latest firmware for the microHAM micro KEYER II: the current version is v6.21 (October 8, 2020). Go to v6.21

What's in this update

  • bug fixed: TUNE function di​dn't work correctly in VOICE mode.
  • Small internal ​change in CAT decoder.

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Other versions for this product

See the full firmware history for the micro KEYER II