QRP Labs QCX+ firmware `v1.05`

QRP Labs · Released May 8, 2020 · First seen Sep 7, 2026

v1.05 is not the latest firmware for the QRP Labs QCX+: the current version is v1.09a (April 28, 2022). Go to v1.09a

In short — summary by updatemystuff.com

Adds 6m band and CAT enhancements, restores frequency counter and fixes multiple bugs.

Written from QRP Labs's release notes, which are printed in full below.

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CAT: New QM command: allows complete menu items API
CAT: New TB command: lets you read the decoded CW via CAT (and configurable event in the QU update)
CAT: New KY command: initiates sending CW text
CAT: New OM command: returns radio model, always returns OM0000000000QC
CAT: New RX command: immediately forces the radio into Receive mode
CAT: Baud rate is now 38400 (was previously 9600)
Message menu order of items has been changed - interval and repeats are now first, before the messages
Menu 7.10 CAT Notify is removed. Now set only via CAT QU1; and it is not persisted in EEPROM
When LCD interrupts CAT, it now cancels any partially received CAT command
Add 6m band, strictly for experimental purposes
Bug fix: CAT: numbers did not have thousands delimiter stripped if the delimiter was not configured to comma
Bug fix: Two CAT commands issued together did not work properly e.g. FA;FB;
Bug fix: CAT did not work properly when S-meter enabled (corrupted display and CAT text)
Bug fix: CAT "AG" command did not work
Bug fix: CAT commands when editing menus, corrupted the menu contents
Bug fix: Occasional corruption of least significant frequency digits when S-meter or clock was enabled
Bug fix: DVM and RF Power readings incorrect and never went to zero, since version 1.03
Bug fix: When GPS lock aquired, screen blanked and top line of GPS Info screen showed VFO A
Bug fix: Frequency counter was broken since version 1.02

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