How small motions can be detected?

The necessary motion to cause an alert depends on several parameters

• the distance to the object
• the material to penetrate
• the size and material of the moving object
• the radar system

E apothekefurmanner.de.g for the CPR4

• at 1 meter distance and a 10 cm brick wall, a millimeter movement will be enough
• at 5 meters and thicker wall, 10 mm may be needed