What is the smallest radius a user can set for a geofence to be effective?
Recommended smallest radius for a geofence is 150 meters, geofence radius less than 100 meters might lead to triggering false alerts and miss true alerts.
However, user’s are allowed to set a radius as low as 1 meters in the web portal.
For a video explanation of the Geofences section, please refer to the following link:
The above radius configuration can be done in the Add/Edit geofence window in Geofences page under Admin tab.