QRP Labs QMX firmware `v1_04_007`

QRP Labs · Released Aug 14, 2026 · First seen Sep 7, 2026

v1_04_007 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: Fixed the 160m image rejection (90-degree quad LO phase relationship on 160m)
Bug fix: Image Sweep screen had incorrect result first time it ran
Bug fix: Sending stored CW message wrote frequency to 00,000,000
Bug fix: Fixed continuous key-down between stored message repeats
Bug fix: 'M' in practice mode character was not displayed during stored message play
Bug fix: '006 had re-introduced leading edge CW RF spikes 50% of the time (another race condx)

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