RFXCOM blog

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

RFX-433(EMC)  Version 4034   24-09-2025

• WS1200 added
• TFA 30.3133 (TEMP13) improved and MQTT renamed to TFA3133
• MQTT Availability status added
• Gaposa QCTR/QCTZ mode added

RFX-868  Version 8013   24-09-2025

• MQTT Orcon CO2/control unit corrected
• MQTT Availability status added

RFX-868  Version 8012   15-09-2025

• Meiantech and Keeloq selection added

RFX-868  Version 8011   10-09-2025

• Orcon RF15 updated

RFX-868  Version 8010   01-09-2025

RFX-433  Version 4033   15-09-2025

• MQTT BlindsT0 added

RFX-433  Version 4032   10-09-2025

RFX MQTT  Version 4027/8007   21-08-2025

• MQTT software for the RFX-433EMC and RFX-868 available on the Downloads page
• Tested with Domoticz
• Tested with Home Assistant (multiple RFX can be used, more protocols supported)
• Easy to add Brel and Dooya bi-directional, Cherubini, Ozroll, Gaposa, Orcon, Novy, Falmec and many more.
• See the RFX MQTT User Guide.pdf for more info.

RFXmngr version 25.0.0.4    06-08-2025

• Gaposa 434.15MHz freq select added

RFXmngr previous versions

• Check on RF output value
• Crash after COM port disconnect corrected
• .NET Framework 4.8 used
• Serialport timing changed
• Funkbus mode changed to id3
• Funkbus devtype and mode added
• Connect faster

RFX-433 software is different compared to RFXtrx433/RFX433 firmware!
RFXflash cannot be used.
Use esp.huhn.me to flash new software in the ESP32-S3 controller of the RFX-433.
See the RFX User Guide (not RFXtrx User Guide) for details.

Software release 4016 08-05-2025

• Farmec Levante added
• Security2 Keeloq transmit corrected