QRP Labs QCX-mini firmware `v1.02`

QRP Labs · Released Nov 6, 2019 · First seen Sep 7, 2026

v1.02 is not the latest firmware for the QRP Labs QCX-mini: the current version is v1.09a (April 28, 2022). Go to v1.09a

In short — summary by updatemystuff.com

Eliminates audio clicks, supports 25/27MHz crystals, and allows stored messages during RIT/Speed adjustment.

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

Was this useful?

Eliminate the faint "Woodpecker" clicking when S-meter active, tuning or CW decoder updates
Eliminate click at start end end of sidetone audio burst (that was due to sudden change in DC bias)
Can now operate sending stored messages while the RIT or Speed adjustment is active
Now can handle either a 25MHz or a 27MHz reference crystal and calibrate properly in both cases
Tune rate and RIT rate cursors can now be moved by rotary encoder push-and-turn (within 0.3s)
Remove small click that occurred when exiting the menu system
Bug fix: On GPS detect, which automatically sets Practice mode to protect PA. Now stops immediately
Bug fix: S-meter was STILL disappearing, if CW decoder was switched off
Bug fix: Battery icon was corrupted after editing any text parameter in the menu system
Bug fix: On exit/disable beacon, can't use stored message sending features until next beacon start passed
Bug fix: Listed tune rates in 3.4 not all available. now allows 1MHz, 100kHz, 10kHz, 1kHz, 500Hz, 100Hz or 10Hz
Bug fix: RIT rate in menu 3.6 allows 10kHz steps which are not possible (RIT display is maximum +/- 9,999Hz)

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.