QRP Labs QMX firmware `v1_02_004`

QRP Labs · Released Aug 6, 2025 · First seen Sep 7, 2026

v1_02_004 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

Bug fix: CAT IF command incorrect VFO freq when not in VFO A mode
New CAT command TA (transmit audio) e.g. TA1502.34;
New style band selection, allows up or down selection using the volume encoder
Volume display after you adjust it for a configurable time
CAT KY command TS480 compatibility mode
Move factory reset on power up to right button
Auto USB or LSB selection based on band (40m and below are LSB)
Bug fix to GPS time setting, to fix a 1 second time discrepancy that could arise due to GPS timing

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