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in Vehicle tracking by anonymous

Hi, I'm having trouble with manual geofence.

We have a few FMB001 devices, fw 03.25.05. I have configured manual geofence zone as follows:

Feature: high priority

Generate event: on both

Eventual records: enable

Shape: circle

Send SMS to: (preconfigured phone number from list)

But the problem is that most of the times it does not work.

On one device it works like 1 time out of 10. But strangely, when SMS is sent, I check the coordinates in message, and they seem to be inside the circle. It seems like the real coordinates and geofence coordinates do not match.

On another device it did not work at all. I tried crossing geofence borders >50 times, but there is no SMS, and there is no geofence event on the tracking server.

Devices can send other SMS without problems. Maybe I have missed some additional setting?

My zones are kind of small (50-200m circle radius).

1 Answer

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by anonymous
Hello Jsmith,

Good day. Thank you for your question.

We would like to analyze your issue. Please reach out to us via VIP Helpdesk or contact your Sales Manager/Distributor. If you don't have any contacts with our Sales managers, please contact them on our official website and click on the "Contact Us" button. When you click, please fill the form and submit it.

Note: as a topic, please choose "Vehicle telematics" or you can send an e-mail with the description of your situation to

When contacting us, please provide the IMEI, logs, configuration file, International GSM number, and the firmware version. Please follow these recommendations:

Thank you for your understanding.

Kind regards.
by anonymous
Thank you for the answer. However, I represent an important government institution, and unfortunately we cannot share any logs or numbers.

Is there anything that could be checked by myself? I have experience with such devices, I know how to debug over serial port etc.