MultiTracker 11x (0005)
28.2.0 - 2025-04-07
- MT protocol version 1.10
 
Changed
- Improved storage mode to make device deployment more responsive.
 
Fixed
- Various internal fixes.
 
28.1.1 - 2024-02-05
- MT protocol version: 1.10
 
Fixed
- Device was sometimes not receiving quickly enough during broadcast.
 
28.1.0 - 2023-12-14
- MT protocol version: 1.9
 
Added
- Support for firmware broadcast
 - Establishing connections faster
 
Changed
- Reduced button press time to wake up the device from SYSTEM_OFF mode
 - Firmware download improvements
 - Upstream queue improvements
 
Fixed
- Fixed bug that could cause the device to brick under certain conditions when aborting firmware upgrade.
 - Flash data storage issue
 
28.0.0 - 2023-02-10
- MT protocol version: 1.7
 
Added
- Added properties:
 - 0x8303 - Start Upstream Throughput Test
 - 0x8305 - Throughput Test Packet Counter
 - Extended route address support
 
Changed
- SYSTEM_OFF mode while sleeping in storage mode
 - Motion property reporting updated:
 - Unconnected mode:
- Advertise 5x on change.
 - Advertise 5x one minute later.
 
 - In Connected mode:
- Report motion on change (MT message priority level 3 - Medium)
 
 - Motion report together with other properties on periodic update (20 min).
 - Updated offer collection algorithm
 - Variant also reported in storage mode
 
Fixed
- Device was responding with generic response packet for unsupported commands which do not have generic response.
 - The device was not adding messages in the uplink queue while re-connecting.
 - The device was an advertising packet without manufacturing data in connected mode.
 - Device was sometimes reporting properties incorrectly
 
Removed
- Removed flags byte (byte 5) from motion (0x8810) property.
 
27.0.0 - 2022-11-04
- MT protocol version: 1.5
 
Added
- Added properties:
 - 0x8260 - Temperature Measurement Reporting
 - 0x8261 - pressure Measurement Reporting
 - 0x8262 - Humidity Intensity Measurement Reporting
 - 0x8806 - Set Pressure Threshold
 - 0x9021 - Offer collection period
 - Report pressure high and low interrupt as measurement (0x8801). To disable reporting of pressure high/low, set the pressure threshold (0x8806) to 0.
 - Logic to start offer advertisement on button press if the device is in pause (sleep) state. And if the device is in an active state, restart the offer advertisement.
 - Add transition counter and flag extension to property 0x8810.
 
Changed
- Report reset cause (0x8102) with the first set bit found in RESETREAS register
 - Increase preferred parent connection timeout from 30s to 60s.
 - Updated offer selection algorithm
 - Improved connection establishment
 - Firmware update timeout will only apply during download. If the firmware image is downloaded within given timeout, the timeout will set to zero and the device will wait for a new image to apply.
 
Fixed
- Reading property 0x9100 - Uplink RSSI value returned 0
 - Fixes related to connection establishment
 
Removed
- 0x8101 - Uptime is no longer reported.
 
26.5.0 - 2022-01-06
- MT protocol version: 1.1
 
Added
- Advertise heartbeat (0xD048) 30 times at 1-second interval on button press in unconnected mode.
 - Added event:
 - 0x8102 - Reset Cause
 
Fixed
- Strange behavior of I2C lines
 - Voltage dip on VDD line of the pressure sensor (u2)
 
Removed
- Removed event:
 - 0x8113 - Watchdog reset event
 
26.4.0 - 2021-12-16
- MT Protocol Version: 1.1
 
Added
- Added property:
 - 0x8102 - Reset Cause
 
Changed
- LED indication in storage mode. LED blinks for every button press while device is in storage mode and restart 5 minute timer.
 
Fixed
- High current consumption at power up.
 
26.3.0] - 2021-09-13
- MT Protocol Version: 1.1
 
Changed
- Latency reduced to ~1.5 seconds, making device more responsive to requests.
 
26.2.0 - 2021-09-06
- MT Protocol Version: 1.1
 
Added
- Added Event
 - 0x8113 - Watchdog reset event
 
Changed
- Battery level measurement improvements
 - Using accelerometer configuration set in 0x8200 - Accelerometer Configuration in demo mode as well.
 
Fixed
- Issue regarding motion not working if we set "Interrupt 1 blocking time" to 0x00 in 0x8200 - Accelerometer Configuration
 
26.1.0 - 2021-05-06
- MT Protocol Version: 1.1
 
Changed
- Implemented averaging of battery level as mentioned below for more stable level.
 - First battery level update after 10 seconds of power up (no averaging)
 - Second battery level update after 2 minute of power up (average of 12 reading 10 seconds apart)
 - Now on battery level update every 12 hour (average of 12 reading 10 seconds apart)
 
26.0.0 - 2021-04-26
- MT Protocol Version: 1.1
 
Added
- Added property:
 - 0x8340 - Sleep
 - Oversampling (16x) support to ADC sampling
 
Fixed
- Issue regarding priority in uplink queue
 - Enabled internal pull-up after de-init of TWI peripheral to fix over current issue
 
25.0.0 - 2020-11-26
Initial version with general messages support