microHAM micro KEYER firmware v2.2

microHAM · Released Aug 9, 2005 · First seen Sep 9, 2026

Source: microham.com

v2.2 is not the latest firmware for the microHAM micro KEYER: the current version is v5.4 (March 5, 2008). Go to v5.4

What's in this update

  • CTS from radi​o is passed to computer. When RTS/CTS handshake is set on radio port, keyer respects CTS level and suspend transmition to radio​ if inactive.

Radio TX buffer extended to 128 bytes.

updatemystuff.com never hosts firmware files — always download from the official source.

Get it from microHAM

Watch the micro KEYER for updates

Create a free account and get an email the moment microHAM publishes new firmware.

Create account & watch

Other versions for this product

See the full firmware history for the micro KEYER