Sorry to resurrect this old thread, but does anyone know if the OP ever got his bike back? I plan on taking mine folded everywhere on a small folding trolley, plus I bought this GPS bike tracker:
https://www.amazon.co.uk/Tracker-Anti-Robo-Waterproof-Warning-Trackers/dp/B07XLHWDJF/
The "shock detection" text takes 7 seconds to arrive, giving it's precise GPS location, which you can also get by texting the device at any time. There is also a "speed alarm text", which tells you if your bike is being moved in a vehicle travelling faster than X mph. The LED light is a small red beam, which you can point at drivers approaching. I decided against enabling any data connections and with texts sent only, it'll cost about £20 a year in topups using a Giffgaff sim. If my bike is wrested away from my hands and the Police are not interested... I'll put on my Batman costume, track the thieves down in their lair, and bash some heads with a steel Batarang to get my bike back. Or I'll steal it back.
Overall, I'm pleased with this device. Here are it's functions and destructions: