microHAM MK2R
firmware v5.4
microHAM · Released Jan 25, 2010 · First seen Sep 9, 2026
Source:
microham.com
v5.4 is not the latest firmware for the microHAM MK2R: the current version is v7.19 (October 8, 2020). Go to v7.19
In short — summary by updatemystuff.com
Ultra Beam and semi-automatic focus control added; improved headphone anticlick and antenna support.
- ACC serial ports now support Ultra Beam
- Semi-automatic focus control added
- New SteppIR antenna models supported
Written from microHAM's release notes, which are printed in full below.
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What's in this update
- Ultra Beam support on ACC serial ports
- changes in CAT decoder in accordance with changes in router
- some other bug fixes and improvements in CAT decoder
- semi-automatic focus control
- bug fixed: ACC pin5 stayed in logical one after serial port 1 function had been changed from some function to "none".
- PA and LNA tails
- improved anticlick switching for headphones
- SteppIR DB18, DB36, DB36+80mDipole added to the list.
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