microHAM micro KEYER II firmware v4.4

microHAM · Released Jan 25, 2010 · First seen Sep 9, 2026

Source: microham.com

v4.4 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

  • Ultra Beam support on iLINK serial port
  • ​changes in CAT decoder in accordance with changes in router
  • some other bug fixes and improvements in CAT decoder
  • PA and L​NA tails
  • SteppIR DB18, DB36, DB36+80mDipole added to the list.

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Other versions for this product

See the full firmware history for the micro KEYER II