QRP Labs QMX firmware `v1_02_000`

QRP Labs · Released May 2, 2025 · First seen Sep 7, 2026

v1_02_000 is not the latest firmware for the QRP Labs QMX: the current version is v1_04_015 (September 24, 2026). Go to v1_04_015

What's in this update

SSB modes added (USB and LCB), with CESSB, TX Equalization, Mic AGC, VOX, etc
Rationalization of menus, grouped into CW, Digi and SSB submenus
Added up to two more USB Virtual COM serial ports (configurable)
LCD versions of AF, RF, Image, LPF, Test ADC I/Q sweeps (miniature graph on LCD)
New function PA mod. test to check operation of amplitude modulator
Diagnostics screens are now available on the LCD interface too
Now remembers previous menu location on ALL menus regardless of nesting level
Add way of forcing factory reset, press Menu (left) button during power-up
Change TX color in diagnostics screen from red to blue, to avoid confusion since red things are errors
Added CAT LC command to retrieve LCD contents
Added CAT commands SA (AGC meter), SM (S meter), PC (Power meter), SW (SWR meter)
Added CAT command SS (get/set SSB input source) 13: Bug fix: PTT P did not work properly 14: Bug fix: Incorrect PA voltage display on the Diagnostics screen

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

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