I have a TK913 GPS tracker for my ebike, which is configured to send location reports to my server running Traccar[1]. I'm very happy with the setup, it Just Works. I can check where my bike is at any point from the web UI from my phone. It supports A LOT[2] of these cellular-enabled GPS trackers.
[1] https://www.traccar.org/
[2] https://www.traccar.org/devices/