FMB641 Product Change Notifications

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Product change notifications (PCN) is the way of informing customers of upcoming changes related to Teltonika products. This includes outward appearance adjustments, hardware improvements, firmware changes, changes to package contents, etc. This page stores information regarding changes to the FMB641 tracking device. Below you will find a list of both upcoming and already implemented changes sorted from newest to oldest (top to bottom).

2022.10.07: Base firmware update

We would like to inform you about the base firmware update for FMB641 starting from October 07 2022. New production firmware version will be 02.02.15.Rev.06.

Change description
Change type Firmware update
Detailed description Key improvements from last production firmware are listed in errata: https://wiki.teltonika-gps.com/view/FMB641_firmware_errata
Old version:
FMB641 02.02.09.Rev.00
New version:
FMB641 02.02.15.Rev.06
Change reasons FMB641 base firmware version update
Product release date October 2022.
Affected products
Model Affected order codes Order code changes
FMB641 FMB641*******order codes with base Firmware Update firmware
Change impact
Risk assessment Client's special firmware versions or order codes with special firmware will not be updated to latest base firmware automatically. During the transition period clients might receive devices with previous Firmware version used in manufacture.
Suggested implementation plan If you are using special firmware version and would like an upgrade to new features of latest base firmware, please contact your Teltonika sales manager
Acknowledgement of PCN receipt
If no feedback is received within two weeks after the issue date of this notification - Teltonika may accept that this change has been tacitly accepted and can implement the change as indicated above


2022.05.24: GNSS antenna changes

We would like to inform you about the GNSS antenna changes for FMB641 starting September 2022.

Change description
Change type Mechanical part changes
Detailed description
Old version: GNSS 2.5 .png


Dimensions - 46x44x13 mm
Center frequency - 1575.42 MHz, 1602 MHz
Bandwidth - 35 MHz
VSWR on bandwidth - <1.9
GAIN - 3 dB
LNA minimum gain - 26.5 dB
LNA maximum gain - 29.5 dB
Consumption - 9 mA

New version: GNSS 2 4 .png


Dimensions - 45.2x35.8x15.1 mm
Center frequency - 1575.42 MHz, 1602 MHz
Bandwidth - 10 MHz
VSWR on bandwidth - <1.5
GAIN - 2 dB
LNA minimum gain - 26 dB
LNA maximum gain - 30 dB
Consumption - 11 mA

Change reasons Reaction to antenna market volatility.
Product release date September 2022
Affected products
Model Affected order codes Order code changes
FMB641 FMB641*******order codes No changes
Change impact
Risk assessment No risk factors encountered with this change
Suggested implementation plan No implementation plan needed


2022.04.29: Base firmware update

We would like to inform you about the base firmware update for FMB641 starting from April 29 2022. New production firmware version will be 02.02.09.Rev.00.

Change description
Change type Firmware update
Detailed description Key improvements from last production firmware are listed in errata: https://wiki.teltonika-gps.com/view/FMB641_firmware_errata
Old version:
FMB641 02.02.04.Rev.00
New version:
FMB641 02.02.09.Rev.00
Change reasons FMB641 base firmware version update
Product release date May 2022.
Affected products
Model Affected order codes Order code changes
FMB641 FMB641*******order codes with base Firmware Update firmware
Change impact
Risk assessment Client's special firmware versions or order codes with special firmware will not be updated to latest base firmware automatically. During the transition period clients might receive devices with previous Firmware version used in manufacture.
Suggested implementation plan If you are using special firmware version and would like an upgrade to new features of latest base firmware, please contact your Teltonika sales manager
Acknowledgement of PCN receipt
If no feedback is received within two weeks after the issue date of this notification - Teltonika may accept that this change has been tacitly accepted and can implement the change as indicated above