microHAM CW KEYER
firmware v2.3
microHAM · Released Aug 22, 2005 · First seen Sep 9, 2026
Source:
microham.com
v2.3 is not the latest firmware for the microHAM CW KEYER: the current version is v5.4 (March 5, 2008). Go to v5.4
In short — summary by updatemystuff.com
Fixed FSK channel compatibility with older routers
- FSK channel compatibility for routers pre-v2.2.2
- Device subtype detection
Written from microHAM's release notes, which are printed in full below.
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What's in this update
- Because the same firmware is used for whole family of devices (micro KEYER, CW KEYER, ...) there was built in device subtype detection to enable/disable some features.
- bug fixed: Since v2.0 firmware correctly transmits only 5-bits stream on FSK channel. It results in undesirable behavior when router (older than v2.2.2) set FSK channel to non 5-bit mode.
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