FMU & Radio firmware version numbers and compatibility constraints

FMU (Frost Monitoring Unit) firmware releases

3.52 - (2024)

• Improved cellular status display on screen when connecting
• Added MT6: Fault/Warning/Engine health, oil pressure switch, engine temp switch, fuel level switch.
• Added "backlog used" field on the backlog test screen

3.51 - (2024)

• Added MT1-MT5 reporting ('ultimate' messages)
• Added backlog test screen
• Added OTA Tag 130 - ultimate

3.50 - (2023)

• Emnify SIM detection supported

3.42 - (2023)

• Improved detection of SIM cards and APN

3.41 - (2023)

• Show and connection status on test screen
• Show RSSI and cell network on test screen
• Show modem type and server address on test screen
• Show tcp traffic counter and uptime on test screen
• Show IMEI, ICCID, IMSI, APN, SIM provider on test screen
• Show version on startup screen

3.21 - (2021)

• Add connected/connecting text to FMU test screen

3.10  - (2021)

• 4G modem FMU

2.70 - (2020)

• Adding DNS resolution for 3G modems
• Tower/canopy signal strength
• Canopy battery voltage
• Canopy and tower radio versions
• FMU version
• Modem version

WMR-AC Radio (New Enclosure)

2.64 - (2024)

• New data added
• Calibration offsets
• Fan start/Stop time
• Fuel level
• Digital wind sensor
• Fault and warning flags
• Engine health
• Oil pressure
• Engine temperature
• Support for MPC20 interface board.

Requires FMU version >= 3.51

Requires FMU version >= 3.52 (For MPC20 engine fault/warnings)

WMR Radio

2.51 - (2019)

• Low Fuel flag fixes
• Last software release for tube style radios

2.50 - (2019)

• Fixes for RSSI Reporting

2.40 - (2018)

• Easier Pairing
• Reporting Canopy and Tower RSSI
• Reporting Canopy and Tower software versions
• Reporting Canopy battery voltage

Requires FMU version >= 2.70