microHAM micro KEYER II
firmware v4.5
microHAM · Released Feb 2, 2010 · First seen Sep 9, 2026
Source:
microham.com
v4.5 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
- UltraBeam 180/bidir support added
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