4-4 Effects of Materials on Tags
Take into consideration the effects of the mounting location when mounting the Tag. Communications range may be reduced if the Tag is near certain objects. The extent to which the distance will decrease depends on the actual material and its shape. Check the back of the Tag for the effects of metal and resin objects.
•Effect of Metal Objects
The graph below shows the percentage reduction in communications range when a metal object is mounted behind the Tag. The horizontal axis represents the distance between the metallic plate and the Tag. The vertical axis represents the percentage decrease in communications range, where communications range with no metal object interference is taken to be 100%.
Communications range as percentage of maximum communications range
Range between metallic plate and back of Tag (mm)
•Effect of Resin Objects
The following table shows the results of measuring the communications range when the Tag is mounted to a resin object. The extent to which the distance will decrease depends on the actual resin material and its shape.
Material (shape) | Communications range |
Bakelite (100 mm x 100 mm x 5 mm) | 70% |
Acrylic resin (100 mm x 100 mm x 2 mm) | 80% |
Polyethylene (100 mm x 100 mm x 2 mm) | 88% |
