microHAM MK2R firmware v4.1

microHAM · Released Jul 2, 2008 · First seen Sep 9, 2026

Source: microham.com

v4.1 is not the latest firmware for the microHAM MK2R: the current version is v7.19 (October 8, 2020). Go to v7.19

What's in this update

  • Keyer locks PTT1​/2 and CW when SM r​eports "no TX antenna".

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Other versions for this product

See the full firmware history for the MK2R