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Raytac MDBT50Q-RX 0040

2.2.1 - 2026-02-13

  • MT Protocol version: 1.15

Fixed

  • Fixed incompatibility issue in secure mode. In 2.2.0, the connection to the parent would disconnect every 20 minutes if the parent was on an older version.

2.2.0 - 2026-02-09

This release should not be used, due to an incompatibility issue with older extender versions in secure mode.

  • MT Protocol version: 1.15

Added

  • Firmware broadcast now supports writing non-contiguous blocks. Gaps can be filled later by resuming the update using broadcast or download.
  • New property:
    • 0x8127 - Firmware update info
  • 0x8120 - Firmware Update State has been extended with broadcast flag. Extension is only used when broadcasting.

Changed

  • Firmware broadcast no longer times out and can be resumed by starting a new broadcast or update by download.
  • Firmware update by download can be resumed, after it has timed out.
  • Firmware update progress at 10-percent steps is no longer reported during firmware broadcast.
  • Requesting longer blocks (160-byte) when downloading firmware in secure mode
  • Do not allow firmware update to start again if firmware-update-state is wait for apply (128) or rebooting shortly (100)

Fixed

  • Time sync improvements

2.1.0 - 2025-10-28

  • MT protocol version: 1.13

Note

Due to internal fixes, downgrading the firmware from 2.1.0 to below may cause the device configuration to change. This includes device-mode and provisioning information! Be prepared to re-provision in worst case if you are downgrading past 2.1.0.

Added

  • BLE connection subrating support. This will greatly improve extender batterylife in powersave mode when connected to supporting sensors.
  • Support reconnecting sensor that unexpectedly reset. This limits the negative impact of sensor restarting on batterylife for entire network of extenders operating in powersave mode.
  • New properties:
    • 0x8213 - RSSI Throttling Mode

Changed

  • Service mode entry logic. To enter service mode: keep the button pressed at power up, then release the button within 5 seconds to enter service mode.

Fixed

  • Several internal fixes.
  • Fix an issue where relaying packet to a device provisioned to a different network was not working, even when providing the correct key.

2.0.0 - 2025-06-26

This release adds support for secure mode.

In legacy mode there is a breaking change to the storage mode advertisement format. When in storage mode, the device will not be visible to older versions. Devices using old storage mode advertisement format will still be visible to updated devices/network.

Network Protocol: 1.12

Added

  • Secure mode support
  • New properties:
    • 0x800A - Provision
    • 0x800B - Network ID
    • 0x800C - Network Fingerprint
    • 0x800D - Provision Legacy
    • 0x8104 - Time

Changed

  • New storage mode advertisement format. Adv. name: MT0040/MT0040S (BREAKING)

Fixed

  • Writing 0x8110 - Device Mode without changing the value caused the device to restart. The device now responds with Success and does not restart.
  • Downstream throughput performance improvements

1.2.1 - 2024-09-18

  • MT protocol version: 1.11

Fixed

  • Upstream packet lost counter was not counting packets correctly.
  • Firmware download fail when firmware broadcast (for different model number) is running.

1.2.0 - 2024-06-14

  • MT protocol version: 1.11

Added

  • Support 160 byte blocks during firmware broadcast for faster upgrade.
  • Encryption on serial link when operating as gateway.
  • Property support
  • 0x8201 - Debug

Changed

  • nRF Connect SDK version 2.6.1
  • When operating as gateway scan is not started before host is authenticated.

Fixed

  • Invalid RSSI value.
  • Improvement to queue logic.
  • Storage mode advertising interval. Improve responsiveness when deploying.
  • Scan was sometimes not started correctly when going from power save to scan mode.

1.1.0 - 2024-02-07

  • MT protocol version: 1.10

Added

  • New properties:
  • 0x8850 - EnOcean Config (BETA)
  • 0xFF00 - Scan Mode
  • New event:
  • 0x8858 - EnOcean PTM 215B Data (BETA)
  • Support for picking up advertisement data from EnOcean PTM 215B. Button click is sent using new 0x8858 event.
  • Support for Scan Mode feature. Two scan modes are supported: Scan (0, default) and Scan Disabled Auto Reconnect (1). The new Scan Mode internal property is controlled by the gateway.
  • Added factory reset by holding down button in service mode

Changed

  • Throughput improvements
  • Report up-to-date firmware update state/percentage when reading 0x8120 - Firmware Update State
  • More efficient connection establishment. Resume scanning faster.
  • Faster network formation
  • Improved power consumption
  • Updated to nRF Connect SDK v2.5.1

Fixed

  • Fix storage mode advertisement interval

1.0.0 - 2023-10-31

MT protocol version: 1.9

Initial version