RFXCOM blog

February 24, 2026

RFX-433  V4047

Filed under: Firmware — RFXCOM @ 9:04 am

RFX-433  Version 4047   24-02-2026

  • Reax corrected
  • MQTT PT2262 corrected
  • MQTT Reax added
  • MQTT Funkbus added
  • MQTT Novy and Falmec select changed to buttons (needs recreate)

To create the new fan buttons:

  1. Delete the MQTT devices in the application
  2. Enable Auto Discovery & Clear ID’s on the RFX-433EMC
  3. Click Save
  4. Press a button on the remote or add the device manually to add the MQTT devices with buttons in the application.

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