Base Station's Firmware Change Log
v4.12.11 - July 7th, 2026
Apogee sensors' transmitter support
v4.11.16 - April 14th, 2026
Fixed the usage of apostrophes in the base station "Name" field
v4.11.15 - March 25th, 2026
Aranet Cloud
Data upload optimization
Integrations
BACnet IP stability improvement
v4.11.9 - January 5th, 2026 Sensors
Weight sum virtual sensor reintroduced
Integrations
MQTT - Weight sum virtual sensor support
Bacnet, InfluxDB - "Sensor ID" and "Sensor Type" fields added
v4.10.12 - November 27th,2025
Integrations:
Modbus TCP/IP - fixed address offsets for the metrics
Notification delays affects all integrations alarms
v4.9.9 - July 3rd, 2025 Sensors:
Aranet Light Spectrum sensor support
Graph:
Save manual graph min/max limits in URL rather than browser local storage
Aranet Cloud:
Cloud management * Implemented remote reboot * Implemented remote developer diagnostics file download
v4.8.4 - March 24th, 2025 Integrations:
Modbus TCP/IP - added Discrete Input registers for measurement threshold alarm states
MQTT - Application-Layer Protocol Negotiation support
v4.7.19 - February 6th, 2025 System:
Added network and Aranet Cloud status indicators to the toolbar
Integrations:
InfluxDB v2 support
Aranet Cloud:
Management license support
v4.7.15 - January 9th, 2024 Aranet Cloud:
Base provisioning credential generation fix
v4.7.12 - December 12th, 2024 Integrations:
BACnet: resolves the issue of Aranet BACnet IP custom unit IDs introduced in v4.7.2, which can be incompatible with some BACnet clients.
v4.7.2 - November 25th, 2024 Sensors:
Radon Plus Pro support
System:
Korean region support
Integrations:
MQTT Last Will and Testament (LWT) messaging support
v4.6.4 - October 15, 2024 Sensors:
4xT-probe sensor support
T/RH Mini support
Terralink transmitter support
Integrations:
MQTT (Sensor Management) delete process now has additional topics: "pending" and "status"
Fixed sensor data reception delay when low on free storage space
Networking:
LTE connection stability improvement
v4.5.3 - August 14, 2024 Integrations:
Modbus - added option to change Unit ID (or Device ID)
Modbus - additional field "address" added for the measurement object in auto-generated registry mapping file
BACnet - added option to filter inbound requests by using IP address filter
Aranet Cloud:
Cloud-connected base station functionality added
v4.4.4 - July 18, 2024 New feature:
Pulse counter conversion offset - possibility to input the current meter value to apply an offset to the converted value
Improvements:
Minor changes in BACnet EDE file content
v4.3.2 - April 11, 2024 Integrations:
Modbus auto-generated JSON file now contains sensor "name" and "group name" info
MQTT integration compatibility with Azure Event Grid
Networking:
Added network interface failover in case of lost connectivity
LTE:
Blocked SIM PIN recovery with PUK code added
v4.2.5 - March 12, 2024 Integrations:
Derived measurement dimension and unit configuration is passed to all Integrations cache and updated on user-initiated sensor configuration changes
MQTT "name" field issue eliminated
LTE (Aranet Pro Plus LTE base only):
Modem management improvement
WebGUI:
A Few User Interface page's esthetics change
v4.1.3 - December 14, 2023 Cloud base management
Support for remote sensor pairing from Aranet Cloud
Block Web UI while the management session is active
MQTT:
Allow leading forward-slash ("/") in root topic
Licenses:
License slots increased from 5 to 10
The integration license's timer is paused when integration is disabled
Known issue: ! Internet connection is not switching to LTE automatically when an existing WiFi or Ethernet configured connection drops.
v4.0.2 - October 10, 2023 Soil moisture sensors:
Use improved Hilhorst pore water electric conductivity preset by default for newly paired sensors.
LTE:
Roaming support
Improved stability
BACnet:
After the system boots, the 'Reliability' property for measurement objects is set to 'Communication failure' until measurements have been received.
Known issue: ! Internet connection is not switching to LTE automatically when existing WiFi or Ethernet configured connection drops.
v4.0.0 - August 28, 2023
Base firmware update initiation from Aranet Cloud
v3.5.3 - August 18, 2023
BACnet IP integration added
Known issue: ! Internet connection is not switching to LTE automatically when existing WiFi or Ethernet configured connection drops.
v3.4.7 - July 31, 2023
T, PEC & VWC thresholds added to soil moisture sensors.
Sensor pairing stability improvements.
MQTT - added Keep alive configuration setting.
AS1 (Japan) region support added.
LTE modem status displayed in web UI
Known issue: ! Internet connection is not switching to LTE automatically when existing WiFi or Ethernet configured connection drops.
v3.3.6 - April 14, 2023
LTE:
Modbus * Fix for received message counter used for server activity diagnostics
v3.3.4 - March 15, 2023
Licences:
Multiple simultaneously active timed licences are now supported
MQTT:
Root topic length limit raised to 100 characters
Aranet Cloud:
Reduced traffic: as few as 1 GB monthly traffic for the base station with 50 Aranet4 sensors paired at 1 min. interval
v3.2.5 - January 11, 2023
Hardware WatchDog improvements
v3.2.4 - November 24, 2022
Sensors:
New sensors support * CO₂ IP20 sensor * WET150 Transmitter * Teros 12 Transmitter
Soil sensor "Cocos or peat" and "Soilless media" profiles added to VWC sensor configuration
Modbus TCP:
Added Read sensor's loss status (RSSI alarm) using Modbus function "Read Input Status" (code: 2) from Discrete inputs.
Minor bugs fixed
v3.1.7 - August 15, 2022
Fix measurement conversion configuration display
v3.1.6 - July 21, 2022
MQTT:
JSON messaging profile now contains sensor alarms
Modbus TCP:
Basic Modbus TCP protocol support (requires licence)
Sensors:
PM sensor * Added PM1 metric to sensor list view and added PM1 thresholds.
VWC, EC, T sensor * Updated VWC formula, introduced new presets, PEC formula configuration and comment field for custom presets.
Backup:
Backup will now be automatically uploaded to the Aranet Cloud (for registered devices). This upload can also be performed manually from the System/Backup page.
v3.1.6 Breaking changes:
PIN disable removed from System/Notifications/SMS page
v3.0.7
Semi-automatic firmware upgrade functionality
MQTT:
Support for mains-powered sensors * 0-10V transmitter * 4-20mA transmitter
Support for particulate matter sensor
Measurement conversion:
Added radioactivity and PPFD to convertible metrics
v2.7.X
Infrared thermometer support
Sensor continuous pairing
Asia region support
v2.7.X Breaking changes:
MQTT measurement topic name changes: * weight_raw → weightraw * motor_seconds_period → motorseconds * motor_seconds_cumulative → motorsecondscumulative * derived_cpp → derivedp * derived_cpc → derivedpc
Other MQTT-related changes: * "packetslost" alarm now is being sent as a retained message
v2.6.X
Improved Aranet Cloud upload performance and stability
DHCP Static IP fallback option added
MQTT:
Sensor group name and id fields are now sent via MQTT
New sensor support:
S5V18 Dry Contact Hour Meter
v2.5.X
Simplified menu structure
Product number is shown in sensor card
Russian region bases now support 1min TX interval
MQTT:
Connection support with Amazon Web Services (AWS IoT Core);
Measurement delivery format customized for Microsoft Azure;
Sensor's product number is being sent to the MQTT broker;
"Packetslost" alarm will now be re-sent after changes to MQTT configuration;
Sensor names will now be sent right after changes to the sensor or MQTT configuration;
In case of sensor removal, all retained topics like name and "Packetslost" alarm will be cleared on the broker side;
3d party Client certificate file upload available for more secure TLS connection establishment to MQTT broker;
New sensor support:
CO sensor
AC hour meter
v2.5.X Breaking changes:
The MQTT CA certificate will need to be re-uploaded after upgrading from a lower firmware version
v2.4.X
Added MQTT licensing
Various bug fixes and performance improvements
v2.3.X
Added licensing support
Various bug fixes and performance improvements
v2.2.X
Added support for: * Medical thermometer * Various gas sensors (NH3/NO2/O2)
Added selectable differential pressure units (Pa/mbar/mmH2O)
Added pressure unit (atm)
Linearised battery charge percentage indication
Various bug fixes and performance improvements
Last updated