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Codan Communications is a leading international designer and manufacturer of premium communications solutions.

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We deliver our capability worldwide for the military, defence, humanitarian, peacekeeping, commercial, security and public safety markets.

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We're used by
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  • Specialised Units
  • Border Control

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Learn more about how our products fit into communications solutions in real-life environments.

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Codan provides the most reliable form of long range communications without dependence on infrastructure as well as a range of remote mountaintop repeaters and base stations, paging, trunking, voting and simulcast solutions.

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Sentry Mesh 6161 Squad Radio Line Drawing1
Sentry-H 6110-MP Codan Hf Sentry H 6110 Mp Pld
Sentry-H 6120-BM Codan Hf Sentryh Transceiver Pld
Sentry-M 6170 Sentry M 6170
The BluSDR™ Family CC DTC Blu SDR Family feature image
SDR-H2 SDR H2 DXF
Codan RIOS Codan Hf Rios Transceiver Pld
Envoy Codan Hf Envoy Transceiver Pld
CODAN CONVOY Convoy4

Impact

Codan Communications' impact is experienced globally. Learn more about our company.

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6 March 2024 Codan Communications | DTC Appoints Matthew Jones as Vice President of Asia Pacific and Expands Senior Leadership Read article
North America MODERNIZING EMERGENCY SERVICE CONNECTIONS IN THE PACIFIC NORTHWEST Read article
26 May 2020 Codan Cancels Exhibit Hall Stands at IWCE and APCO in 2020 View event

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MT-4E Receiver Firmware

Product Family
MT-4E Series
Description

MT-4E Receiver Firmware and Firmware Flashing Software Bundle

Requirements:

  • Firmware Flashing Software Version 1.9.3.0 or later, if not previously installed.
  • MT-4E Radio Service Software (RSS4E) Version 1.7.6 or later.

Upgrading Process Notes:

  • Latest updates can only be applied to firmware versions 2.0.0 and later.
  • Do not use an external USB hub for programming the radio.
  • Do not use a USB cable that is longer than 10 feet for programming the radio.
  • For detailed instructions on how to update the firmware on your MT-4E Receiver, please click here.

Downloads

Version
2.10.1
Description
The following updates are included in this release.
  • Various performance improvements and bug fixes.
  • Updated encryption module support.

Hardware Compatibility

This firmware upgrade is compatible with all versions of MT-4E Receiver hardware. Note that optional encryption modules (ENCRYPT-MT4E-XX1) purchased prior to 2009 are no longer supported.

If you are unsure of the compatibility of your encryption modules or have any other questions or concerns, please contact LMRSupport@codancomms.com.

Software Compatibility

  • Codan MT-4E Firmware Flashing Software 1.9.3.0 or above required.
  • This version of firmware requires Codan MT-4E Radio Service Software (RSS) v1.7.7.0 or above required to access the latest features.
Release Date
30 April 2020
Filesize
4.9MB
Download
Download software (ZIP)
Version
2.0.0
Description


MT-4E Receiver Bootloader and V2.0.0 Firmware

This is the first update that is required to go from version 1.6 to version 2.0 or later.

For earlier firmware versions please contact the service department to obtain an RMA number and shipping instructions.

Requirements:

Note: The latest firmware version must also be applied after v2.0.0.

Release Date
18 March 2008
Filesize
1.3MB
Download
Download software (ZIP)

Version History

Version 2.10.1 30 April 2020
The following updates are included in this release.
  • Various performance improvements and bug fixes.
  • Updated encryption module support.

Hardware Compatibility

This firmware upgrade is compatible with all versions of MT-4E Receiver hardware. Note that optional encryption modules (ENCRYPT-MT4E-XX1) purchased prior to 2009 are no longer supported.

If you are unsure of the compatibility of your encryption modules or have any other questions or concerns, please contact LMRSupport@codancomms.com.

Software Compatibility

  • Codan MT-4E Firmware Flashing Software 1.9.3.0 or above required.
  • This version of firmware requires Codan MT-4E Radio Service Software (RSS) v1.7.7.0 or above required to access the latest features.
Version 2.9.9 27 March 2018
  • Bug fix for Battery Level Reporting Operation.
  • Status Tone feature is now available to all users.
  • Minor bug fixes.

Note: If an unsupported encryption module (the Non-FIPS certified version of ENCRYPT-MT4E-XX1) is installed in the unit to be flash upgraded, it will no longer work if the Rx firmware is upgraded to this version. Please contact factory in this case.

Note: This version of firmware requires Firmware Flashing Software 1.9.3.0 or above.

Note: This version of firmware requires RSS 1.7.6.0 or above to access the latest features.

Version 2.9.8 1 March 2017
  • Battery Level Reporting feature. Requires Transmitter Firmware 2.10.9 or later.
  • Remote keying (through DTMF) of P25 Receiver Standard Tone Test Pattern (TIA-102.CAAAA Section1.3.3.7 a). Requires Transmitter Firmware 2.10.9 or later.
  • RSSI Response for P25CC. (P25CC Voting Application specific feature.)

Note: If an unsupported encryption module (the Non-FIPS certified version of ENCRYPT-MT4E-XX1) is installed in the unit to be flash upgraded, it will no longer work if the Rx firmware is upgraded to this version. Please contact factory in this case.

Version 2.9.6 1 September 2015
  • Added a receiver health indication feature.
  • Added the capability to indicate whether a P25 group call or a P25 unit-to-unit call is being received.
  • Added the capability to assign a different function to certain output pins. See help file in RSS ver 1.7.4.0 or above for detail.

Note: If an unsupported encryption module (the Non-FIPS certified version of ENCRYPT-MT4E-XX1) is installed in the unit to be flash upgraded, it will no longer work if the Rx firmware is upgraded to this version. Please contact factory in this case.

Note: This version of firmware requires Firmware Flashing Software 1.9.3.0 or above.

Note: This version of firmware requires RSS 1.7.4.0 or above to access the latest features.

Version 2.9.5 1 June 2015
  • Added a repeat Simple TDU and Extended TDU feature.

Note: If an unsupported encryption module (the Non-FIPS certified version of ENCRYPT-MT4E-XX1) is installed in the unit to be flash upgraded, it will no longer work if the Rx firmware is upgraded to this version. Please contact factory in this case.

Note: This version of firmware requires Firmware Flashing Software 1.9.2.1 or above.

Note: This version of firmware requires RSS 1.7.3.0 or above to access the latest features.

Version 2.9.0 1 August 2014
  • Improvement with receiver start up.
  • Fix the non-linear RSSI response.
  • Improvement for simulcast application.
  • Improve FM demodulator routine.
  • Add automatic reboot after decryption key is zeroized.

Note: If an unsupported encryption module (Non-FIPS certified version of ENCRYPT-MT4E-XX1) is installed in the unit to be flash upgraded, it will no longer work if the Rx firmware is upgraded to this version. Please contact Codan in this case.

Note: Balanced Audio, Speaker Audio, Disc (Discriminator), and Disc (Discriminator) LPF outputs need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: Squelch Open and Close points need to be readjusted after upgrading from version 2.7.5 or earlier this version.

Note: This version of firmware requires RSS 1.7.0.0 or above to access the latest features.

Note: This version of firmware requires Firmware Flashing Software 1.9.3.0 or above.

Note: Due to hardware differences, some radios with firmware version 2.7.5 or above cannot be downgraded. Contact factory if further details are required.

Version 2.7.50 3 September 2012
  • Improve DCS decoding in the multi-channel operating application.
  • Improve the decoding Inverted DCS.

Note: If an unsupported encryption module (Non-FIPS certified version of ENCRYPT-MT4E-XX1) is installed in the unit to be flash upgraded, it will no longer work if the Rx firmware is upgraded to this version. Please contact Codan in this case.

Note: Balanced Audio, Speaker Audio, Disc (Discriminator), and Disc (Discriminator) LPF outputs need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: Squelch Open and Close points need to be readjusted after upgrading from version 2.7.5 or earlier this version.

Note: This version of firmware requires RSS 1.6.3.0 or above to access the latest features.

Note: This version of firmware requires Firmware Flashing Software 1.7.3.0 or above.

Note: Due to hardware differences, some radios with firmware version 2.7.5 or above cannot be downgraded. Contact factory if further details are required.

Version 2.7.5 3 September 2012
  • Support for new Flash IC.

Note: If an unsupported encryption module (Non-FIPS certified version of ENCRYPT-MT4E-XX1) is installed in the unit to be flash upgraded, it will no longer work if the Rx firmware is upgraded to this version. Please contact Codan in this case.

Note: Balanced Audio, Speaker Audio, Disc (Discriminator), and Disc (Discriminator) LPF outputs need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: Squelch Open and Close points need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: This version of firmware requires RSS 1.6.0.0 or above.

Note: This version of firmware requires Firmware Flashing Software 1.7.0.0 or above.

Note: Due to hardware differences, some radios with firmware version 2.7.5 or above cannot be downgraded. Contact factory if further details are required.

Version 2.7.49 1 November 2011
  • Expand the capability of the startup diagnostic module.
  • Adding support for MPT1327 trunk controller.
  • Improve digital adjacent channel rejection performance.
  • Add option to wait for AlgID before unsequleching when crypto module is installed.
  • Improve DCS decoding performance.

Note: If an unsupported encryption module (Non-FIPS certified version of ENCRYPT-MT4E-XX1) is installed in the unit to be flash upgraded, it will no longer work if the Rx firmware is upgraded to this version. Please contact Codan in this case.

Note: Balanced Audio, Speaker Audio, Disc (Discriminator), and Disc (Discriminator) LPF outputs need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: Squelch Open and Close points need to be readjusted after upgrading to this version

Note: This version of firmware requires RSS 1.6.3.0 or above to access the latest features.

Note: This version of firmware requires Firmware Flashing Software 1.7.3.0 or above.

Note: Due to hardware differences, some radios with firmware version 2.7.5 or above cannot be downgraded. Contact factory if further details are required.

Version 2.6.9 1 June 2011
  • Enhance synthesizer diagnostic during startup.

Note: If an unsupported encryption module (Non-FIPS certified version of ENCRYPT-MT4E-XX1) is installed in the unit to be flash upgraded, it will no longer work if the Rx firmware is upgraded to this version. Please contact Codan in this case.

Note: Balanced Audio, Speaker Audio, Disc (Discriminator), and Disc (Discriminator) LPF outputs need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: Squelch Open and Close points need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: This version of firmware requires RSS 1.6.0.0 or above.

Note: This version of firmware requires Firmware Flashing Software 1.6.1 or above.

Version 2.4.2 1 February 2011
  • Change the impulse response of the CTCSS smoothing filter.
  • Enhance the RSSI DAC output operation.
  • Enhance the bit error rate test operation when BER is higher than 5%.
  • Enhance the status tone operation when high amplitude is selected.
  • Improve the track of secure signal indication under low signal level condition.
  • Supports FIPS certified version of ENCRYPT-MT4E-XX1. However, the Non-FIPS certified version of ENCRYPT-MT4E-XX1 is not supported.
  • ENCRYPT-MT4E-XX is not supported.

Note: If an unsupported encryption module is installed in the unit to be flash upgraded, it will no longer work if the firmware is upgraded to 2.2.15 code or above. Please contact Codan in this case.

Note: Balanced Audio, Speaker Audio, Disc, and Disc LPF outputs need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: Squelch Open and Close points need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: This version of firmware requires RSS 1.5.9.0 or above.

Version 2.2.9 1 October 2009
  • Reduce the status tone gap during squelching and unsquelching.
  • Supports ENCRYPT-MT4E-XX.
  • Adjustment for the CTCSS smoothing filter.

Note: Balanced Audio, Speaker Audio, Disc, and Disc LPF outputs need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: Squelch Open and Close points need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: This version of firmware requires RSS 1.4.6.0 or above.

Version 2.2.2 2 March 2009
  • Fix the problem with multiple reset happening during configuration parameter programming.

Note: Balanced Audio, Speaker Audio, Disc, and Disc LPF outputs need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: Squelch Open and Close points need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: This version of firmware requires RSS 1.4.6.0 or above.

Version 2.2.1 2 February 2009
  • Add support for 800 MHz band.
  • Add support for the encryption module, ENCRYPT-MT-4E-XX (FIPS Certified).
  • Add option for Noise Based Squelch Operation.
  • Improve FM demodulator algorithm.
  • Output of the FM demodulator is now routed to the DISC o/p.
  • Increase the pass band of the DISC o/p.

Note: Balanced Audio, Speaker Audio, Disc, and Disc LPF outputs need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: Squelch Open and Close points need to be readjusted after upgrading from version 2.1.1 or earlier to this version.

Note: This version of firmware requires RSS 1.4.6.0 or above.

Version 2.1.1 2 June 2008
  • Bypass the voice band filter when in P25 mode to improve the sensitivity when receiving encrypted signals.
  • Add field flashing capability.
  • Change RSSI output to log scale.
Version 2.0.0 18 March 2008


MT-4E Receiver Bootloader and V2.0.0 Firmware

This is the first update that is required to go from version 1.6 to version 2.0 or later.

For earlier firmware versions please contact the service department to obtain an RMA number and shipping instructions.

Requirements:

Note: The latest firmware version must also be applied after v2.0.0.

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