You can adjust this script to generate any data you need:
https://github.com/traccar/traccar/blob/master/tools/test-generator.py
We’ve recently started using telemify to test our servers, and it does its job very well so far. It finally allowed us to simulate specific AVL parameters and events without any custom workarounds. The platform also provides DTC simulations, but we do not use it very often, so it's just FYI. It is also good for occasional light stress testing. So, worth checking out.
Attached a few screenshots fro you.


Hi Traccar community,
Do you know of any system or tool that allows us to simulate data and events from a Teltonika device? For example, we’d like to simulate scenarios such as harsh acceleration, braking, or other telemetry events so we can test, validate, and improve our platform without having to wait for real-world device signals. Having a way to generate these events on demand would help us accelerate development and shorten our feedback loop.
I came across a tool called Telemify. Is anyone here using it? Is it a legitimate platform?
Appreciate any suggestions.