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KX3 Software Page
KX3 Beta Firmware Revision
MCU 2.18 / DSP 1.30, 8-26-2014
Beta Firmware Instructions for
installing beta firmware.
KX3 Production Firmware Revision
MCU 2.12 / DSP 1.30, 7-11-2014
KX3 Firmware Release Notes
for a complete revision history.
KX3 Archived Firmware Revisions
browse our KX3 Firmware
Archive FTP Folder for obtaining archived KX3 firmware revisions.
Utility and Drivers for Windows, Mac and Linux
Elecraft offers the K
Elecraft offers the KXUSB cable for USB only computers etc. It uses the FTDI chip set.
Before plugging in this cable to any of your computer's USB ports, you may need to install the correct FTDI USB drivers for your computer's operating system. Drivers are available for most Windows, Mac, and Linux OS's. Note that most of the latest Windows 7 operating systems already have the proper drivers for the FTDI chip set and will automatically install them if you just plug the KXUSB cable into a USB port.
KUSB Drivers (For currently shipping KXUSB cables)
If your computer has a standard serial port, all you will need is our KXSER cable for the KX3. .
Most modern computers no longer have serial ports but instead use USB
(Universal Serial Bus) ports for connecting to external devices. Elecraft
provides the KXUSB cable to connect the KX3 to these computers.
KX3 Utility for Windows (Version 18.104.22.168) August 24, 2013
KX3 Utility for Mac OSX (Version 22.214.171.124; .zip format) April 11, 2014
KX3 Utility for Linux (Version 126.96.36.199; .tgz format) April 11, 2014
KX3 Toolsand Application Notes