FMB125 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 FMB125 tracking device. Below you will find a list of both upcoming and already implemented changes sorted from newest to oldest (top to bottom).

2023.03.01: GNSS antenna changes

We would like to update you regarding the changes in GNSS antenna for FMB125, which will now take effect in March 2023. From March 2023 to August 2023, the latest version of GNSS antennas will be provided, and after August 2023, the older version of antennas will be supplied.

Change description
Change type Internal
Detailed description Mechanical part changes
Old version:

2023.03.01- GNSS antenna changes old.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:

2023.03.01- GNSS antenna changes new.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 March, 2023
Affected products
Model Affected order codes Order code changes
FMB125 FMB125*******order codes No changes
Change impact
Risk assessment Up until August 2023, the latest model of GNSS antennas will be provided, after which point the older version of antennas will be supplied.
Suggested implementation plan No implementation plan needed.

2023.02.02: Changes in side frame for the battery placement

We would like to inform you that the side frame for the battery placement is included, helping to determine the exact location of the battery. Also, minor design changes are made to improve both case production and case assembly. These changes affect FMB110, FMB120, FMB122, FMB125, FMC125, FMM125, FMB130, FMC130, FMM130, FMB140, FMB150, FMC150, and FMM150 devices. The updates in the factory are being implemented in February, 2023.

Change description
Change type Internal
Detailed description The side frame for the battery placement is included, helping to determine the exact location of the battery. Also, minor design changes are made to improve both case production and case assembly. These changes affect FMB110, FMB120, FMB122, FMB125, FMC125, FMM125, FMB130, FMC130, FMM130, FMB140, FMB150, FMC150, and FMM150 devices.
Old Version:
Old 1.png
Old 2.png
Old 3.png
New Version:
New 1.png
New 2.png
New 3.png
Change reasons The battery placement is improved with a side frame, helping to determine the exact location of the battery. Minor design changes are made for case production and case assembly. These changes affect FMB110, FMB120, FMB122, FMB125, FMC125, FMM125, FMB130, FMC130, FMM130, FMB140, FMB150, FMC150, and FMM150 devices.
Product release date February, 2023
Affected products
Model Affected order codes Order code changes
FMB110, FMB120, FMB122, FMB125, FMC125, FMM125, FMB130, FMC130, FMM130, FMB140, FMB150, FMC150, FMM150 FMB110, FMB120, FMB122, FMB125, FMC125, FMM125, FMB130, FMC130, FMM130, FMB140, FMB150, FMC150, FMM150 all codes Updated the battery placement with the side frame as well as minor design changes for case production and assembly
Change impact
Risk assessment During the transition period clients might receive devices with old case design used in manufacture
Suggested implementation plan Due to changes in device appearance we strongly recommend to contact your customs agent with our change log information, to avoid any unexpected delays in customs clearance process.
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 tactically accepted and can implement the change as indicated above.

2023.01.01: SMA soldering changes

We would like to inform you that Antenna connectors (SMA SMD type) in FMB125 devices will be soldered from both sides of PCB starting from January 2023.

Change description
Change type Internal
Detailed description Old version:

2023.01.01- SMA soldering changes (FMB125).png

New version:

2023.01.01- SMA soldering changes (FMB125) new.png

Change reasons In order to increase the structural rigidity and unify the manufacturing process of Teltonika IoT Group devices, SMA connector will be soldered on the top side of PCB (same as before) and on the bottom side of PCB (performed additionally).
Product release date January, 2023
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* SMA soldering changes
Change impact
Risk assessment Due to THT assembly process, some devices might have an excess amount of soldering on the SMA connector. This does not affect GSM/GNSS antenna characteristics and does not interfere with device case assembly, therefore, device functionality remains unchanged.

2023.01.01- SMA soldering changes Risk assessment image.png

Suggested implementation plan No implementation plan needed
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.

2022.08.01: Base firmware update

We would like to inform you about the base firmware update for FMB125 starting from August 1st, 2022. New production firmware version will be 03.27.13.Rev.03

Change description
Change type Firmware update
Detailed description Key improvements from last production firmware are listed in errata: https://wiki.teltonika-gps.com/view/FMB125_firmware_errata
Old version:
FMB125 03.27.07.Rev.00
New version:
FMB125 03.27.13.Rev.03
Change reasons FMB125 base firmware version update
Product release date 2022 August
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* 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.

2021.08.13: Base firmware update

We would like to inform you about the base firmware update for FMB125 starting from August 13th, 2021. New production firmware version will be 03.27.07.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/FMB125_firmware_errata
Old version:
FMB125 03.25.18.Rev.08
New version:
FMB125 03.27.07.Rev.00
Change reasons FMB125 base firmware version update
Product release date 2021 August
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* order codes with base Firmware Update firmware

2021.05.17: Base firmware update

We would like to inform you about the base firmware update for FMB125 starting from May 17th, 2021. New production firmware version will be 03.25.18.Rev.08.

Change description
Change type Firmware update
Detailed description Key improvements from last production firmware are listed in errata: https://wiki.teltonika-gps.com/view/FMB125_firmware_errata
Old version:
03.25.18.Rev.05
New version:
03.25.18.Rev.08
Change reasons FMB125 base firmware version update
Product release date 2021 May.
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* 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.


2021.02.08: Bluetooth® Improvement

We would like to inform you, that Bluetooth® performance for the FMB125 device will be updated in the factory from March 2021.

Change description
Change type Internal
Detailed description Bluetooth® antennas are improved for FMB110, FMB120, FMB122, and FMB125 devices ensuring better signal strength. The efficiency of Bluetooth® antennas is considerably increased when receiving or transferring data.
Change reasons Following the changes, the capabilities of our devices will be greatly improved to provide better performance when Bluetooth® signal is obstructed or longer distance coverage is required
Product release date March 2021
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* order codes with base Firmware No changes
Change impact
Risk assessment No risk factors encountered with this change
Suggested implementation plan Due to changes in device appearance we strongly recommend to contact your customs agent with our change log information, to avoid any unexpected delays in customs clearance process
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

2021.02.08: Base firmware update

We would like to inform you about the base firmware update for FMB125 starting from February 26th, 2021. New production firmware version will be 03.25.18.Rev.05.

Change description
Change type Firmware update
Detailed description Key improvements from last production firmware are listed in errata: https://wiki.teltonika-gps.com/view/FMB125_firmware_errata
Old version:
FMB125 03.25.15.Rev.32
New version:
FMB125 03.25.18.Rev.05
Change reasons FMB125 base firmware version update
Product release date 2021 February 26th.
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* 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
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.

2021.01.01: Top Laser Printing Changes

We would like to inform you, that laser printing of the FMB125 device was updated in the factory in January 2021.

Change description
Change type External/visual
Detailed description Top laser printing design changed
Old version:
FMB125 Top laser printing design v1.2.png
New version:
FMB125 Top laser printing design curved v1.5.png
Change reasons 1. Updated Emark certificate number.
2. Added UKCA label.
3. Updated Teltonika brand to Teltonika Telematics.
Product release date January 2021
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* New casing
Change impact
Risk assessment No risk factors encountered with this change
Suggested implementation plan Due to changes in device appearance we strongly recommend to contact your customs agent with our change log information, to avoid any unexpected delays in customs clearance process
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

2020.11.24: GNSS antenna changes

We would like to inform you about the GNSS antenna changes for FMB125 starting from late December 2020 - early January 2021.

Change description
Change type Mechanical part changes
Detailed description
Old version: GNSS 2 4 .png


Dimensions - 45.2x35.8x15.1 mm
Center frequency - 1575.42 MHz, 1600 MHz
Bandwidth - 10 MHz
VSWR on bandwidth - <1.5
GAIN - 3 dB
LNA minimum gain - 26 dB
LNA maximum gain - 30 dB
Consumption - 11 mA

New 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

Change reasons According to technical comparison new antenna is better by next parameters: center frequency, bandwidth, consumption. Other parameters are the same. Moreover, the new antenna is thinner, which gives the opportunity to mount it, where it was not possible before and makes installation easier.
Product release date Late December 2020 - Early January 2021
Affected products
Model Affected order codes Order code changes
FMB125 FMB125*******order codes No changes
Change impact
Risk assessment No risk factors encountered with this change
Suggested implementation plan No implementation plan needed
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

2020.01.22: Base firmware update

We would like to inform you about the base firmware update for FMB125 starting from January 22th, 2020. New production firmware version will be 03.25.15.Rev.01.

Change description
Change type Firmware update
Detailed description Key improvements from last production firmware are listed in errata: https://wiki.teltonika-gps.com/view/FMB125_firmware_errata
Old version:
FMB125 03.25.05.Rev.00
New version:
FMB125 03.25.15.Rev.01
Change reasons FMB125 base firmware version update
Product release date 2020 January 22th.
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* 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
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.

2019.12.02: Top Device Marking Changes

We would like to inform you, that tampography of the FMB125 device was updated to engraving in the factory on the 2nd of December.

Change description
Change type External/visual
Detailed description Device marking changed from tampography to laser printing. Information provided on module will remain the same
Old Version:
FMB125 4000x4000-Old.png
New Version:
FMB125 4000x4000-New.png
Change reasons To improve manufacturing speed, efficiency and reliability

To increase quality, precision and durability of marking.

Product release date Planned date: 2019 December
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* No changes
Change impact
Risk assessment No risk factors encountered with this change
Suggested implementation plan No implementation plan needed
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


2019.08.14: Different FMB125 GNSS antenna connection type

Effective August 2019, FMB125 trackers will be shipped with different GNSS antenna connection.

Change description
Change type GNSS antenna
Detailed description Different GNSS antenna connection type MMCX -> SMA
Old version:
FMB125-2019-08-30.6-old-antenna-bw.png
New version:
FMB125-2019-08-30.7-new-connector-bw.png
Change reasons With respect to customer feedback, we decide to return the SMA connectors
Product release date The new GNSS antenna connection type will be used from the time when the stock will be sold all leftovers.
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* GNSS antenna with SMA connection
Change impact
Risk assessment No risk factors encountered with this change
Suggested implementation plan No implementation plan needed
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

2019.07.22: new no brand Eco friendly boxes

Effective September 2019, FMB125 trackers with no brand packaging will be shipped with a new no brand eco-friendly box.

Change description
Change type Packaging
Detailed description Improved and more environmentally friendly packaging box
Old single packaging version:

Small-white-cut.png

Dimensions: 165 (W) x 145 (D) x 35 (H)
New single packaging version:
Small-eco-cut.png

Dimensions: 175 (W) x 150 (D) x 35 (H)
Old group packaging version:

Large-white-cut.png

Dimensions: 355 (W) x 175 (D) x 60 (H)
New group packaging version:
Large-eco-cut.png

Dimensions: 355 (W) x 175 (D) x 60 (H)
Change reasons The new box is better for the environment
Product release date Devices with new packaging will be released in manufacturing from September with 2 months of transition period. Over this period devices with white packaging can be delivered as well as devices with the new eco boxes.
Affected products
Model Affected order codes Order code changes
FMB001, FMB010, FMB100, FMB110, FMB120, FMB122, FMB125, FMB202, FMB204, FMB900, FMB920, FMB964, FMT100, FMB130, MTB100. FMB001******, FMB010******, FMB100******, FMB110******, FMB120******, FMB122******, FMB125******, FMB202******, FMB204******, FMB900******, FMB920******, FMB964******, FMT100******, FMB130******, MTB100******. No changes
Change impact
Risk assessment No risk factors encountered with this change
Suggested implementation plan Due to the new look of boxes we strongly recommend to update your marketing materials. Because of the new color of the packaging box, if necessary, update your branding materials (stickers, logo layouts).
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

2019.06.14: Device module information display changes

We would like to inform you, that the information display on device module TM2500 will be updated in the factory from July 2019.

Change description
Change type External/visual
Detailed description Information display on TM2500 module will change from sticker to laser print. Information provided on module will remain the same.
Old Version:
TM2500 sticker v1.png
New Version:
TM2500 laser v1.png
Change reasons Laser printing will increase reliability, speed, and will reduce paper waste.
Product release date Devices with new module marking will be released in manufacturing from July with 2 months of transition period. Over this period devices with sticker can be delivered as well as devices with laser print.
Affected products
Model Affected order codes Order code changes
FMB001, FMB010, FMB100, FMB110, FMB120, FMB122, FMB125, FMB202, FMB204, FMB900, FMB920, FMB964, FMT100, FMB640, FMB130, MTB100, TMT250, GH5200. FMB001******, FMB010******, FMB100******, FMB110******, FMB120******, FMB122******, FMB125******, FMB202******, FMB204******, FMB900******, FMB920******, FMB964******, FMT100******, FMB640******, TMT250******, FMB130******, MTB100******, GH5200******. No changes
Change impact
Risk assessment The change will not affect clients. All the module characteristics will remain unchanged. The only sticker on module will be changed to laser print. The displayed information will remain the same.
Suggested implementation plan. Due to changes in device appearance we strongly recommend to contact your customs agent with our change log information, to avoid any unexpected delays in the customs clearance process.
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

To download the pdf version of this notification, click here.

2019.05.02: new eco friendly box

Effective May 2019 week 20, FMB125 trackers will be packed with a new eco-friendly box.

Change description
Change type Packaging
Detailed description Improved and more environmentally friendly packaging box
Old version:
DSC 0028 iskirpta v2.png
New version:
Small-box FM3001.png
Change reasons The new box is better for the environment
Product release date May 2019, week 20

2019.04.10: IMEI/SN display on device Changes

We would like to inform you, that IMEI/SN info display on the FMB125 device will be updated in the factory from June 2019.

Change description
Change type External/visual
Detailed description IMEI/SN info on device display change from barcode to QR
Old Version:
IMEI SN Barcode 10x25mm.png
New Version:
IMEI SN QR 10x25mm.png
This change will not affect device packing and logistic lists. It will remain as barcode.
Packing and list.png
Change reasons QR format will increase reliability and minimize error rate, because of the error correction feature and improved reading in low contrast.
Product release date Devices with new QR Code format will be released in manufacturing from June with 2 months of transition period. Over this period devices with barcode can be delivered as well as devices with QR code.
Affected products
Model Affected order codes Order code changes
FMB125 FMB125****** No changes
Change impact
Risk assessment Risk assessment for devices management required
Suggested implementation plan Due to changes in device information display we strongly recommend to check, and prepare your tools to read QR codes.
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

To download the pdf version of this notification, click here.

2019.03.01: new eco friendly box

Effective March 2019, FMB125 trackers will be shipped with a new eco-friendly box.

Change description
Change type Packaging
Detailed description Improved and more environmentally friendly packaging box
Old version:
FMBYX long box blue 1 .png
New version:
FMBYX long box eco.png
Change reasons The new box is better for the environment
Product release date March 2019
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* No changes
Change impact
Risk assessment No risk factors encountered with this change
Suggested implementation plan Due to changes in device appearance we strongly recommend to contact your customs agent with our change log information, to avoid any unexpected delays in customs clearance process
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


2019.02.08: new FMB125 case design and new GNSS antenna connection

Effective March 2019, FMB125 trackers will be shipped with new case design and GNSS antenna connection.

Change description
Change type Case and GNSS antenna
Detailed description New case design and new GNSS antenna connection type SMA -> MMCX
Old version:
FMB125-old-small.png
New version:
FMB120 new casing.png
Note: To properly open a new case please watch this video.
Change reasons The new FMB125 case is more ergonomic.
Product release date March 2019
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* New casing, GNSS antenna with MMCX connection
Change impact
Risk assessment No risk factors encountered with this change
Suggested implementation plan Due to changes in device appearance we strongly recommend to contact your customs agent with our change log information, to avoid any unexpected delays in customs clearance process
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

2019.02.20: Top Tampography Changes

We would like to inform you, that tampography of the FMB125 device was updated in the factory on the 20th of February.

Change description
Change type External/visual
Detailed description Top tampography design changed
Old Version:
FMB125 black old .png
New Version:
FMB125 new.png
Change reasons 1. Updated Teltonika address to Saltoniskiu st. 9B-1
2. Added WEEE label.(WEEE - Waste from Electrical and Electronic Equipment)
3. Updated antenna marking
Product release date Updated tampographs will be used from the time when the stock will be sold all leftovers. Planned date: week 12
Affected products
Model Affected order codes Order code changes
FMB125 FMB125******* No changes
Change impact
Risk assessment No risk factors encountered with this change
Suggested implementation plan Due to changes in device appearance we strongly recommend to contact your customs agent with our change log information, to avoid any unexpected delays in customs clearance process
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

To download the pdf version of this notification, click here.