It looks like one of the TKxxx or h02 protocol Chinese low-cost simple devices. Try those ports
Check here too https://www.traccar.org/clones/
I have tried out all the above ports and it still shows status "offline".
Did you check the firewall settings? Maybe those ports are blocked by firewall.
I have used the port check tool on traccar website, and all the ports are open on my server.
Hello, i would like to implement the protocol for a gps device i just purchased. I have it's documentation.
https://wetransfer.com/downloads/8a94b72a1d493af847db16023d5cf37220200515131042/4ea4173532bef396b38bfe834bb305b520200515131042/c54e5f