I tested one of my two units yesterday, and had some strange results
The test was done in a car with the unit in the front seat and the car has a full gLast roof, good mobile service. The fob was present but in a double shielded case and the until could not see it.
The alarm took 5mins to activate and then each time it gave an update the exact location wasn’t available.
After 40 miles, we got a location, and even though we were in Kent, the tracker appeared that we were near Selby in the frozen north.
Another 20 mins and 5 missed updates (we should have had a location every 5 mins) it narrowed our search to 20miles from our location.
After stopping at Gerbing UK for 10 mins the unit had our location within 100m.