RFXCOM blog

October 20, 2025

RFX-433 V4036/V4037 – RFX-868 V8015/V8016 updates

Filed under: Firmware — RFXCOM @ 11:28 am

RFX-433(EMC)  Version 4037  20-10-2025

  • MQTT key length changed from 30 to 63
  • MQTT BlindsT3 corrected
  • ESP32 release v3.3.2

RFX-433(EMC)  Version 4036  14-10-2025

  • WiFi key length changed from 30 to 63
  • MQTT X10 updated

RFX-868  Version 8016  20-10-2025

  • MQTT key length changed from 30 to 63
  • MQTT Itho transmit corrected
  • ESP32 release v3.3.2

RFX-868  Version 8015  14-10-2025

  • WiFi key length changed from 30 to 63
  • Honeywell Chime transmit corrected
  • MQTT Itho HRU ECO and HRU400 added

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