Data Sheet

Bluegiga – A Silicon Labs Company 20
6.3 Effect on antenna matching of a metal sheet placed against the end of the
module
As an example on how a metal sheet placed in the vicinity of the module and/or antenna effect the antenna
matching we can examine Figure 10 below.
Figure 10 Effect of a metal sheet placed under the antenna on antenna matching
Violet curve
Metal sheet against end of module end
Violet curve
Metal sheet at module end 5 mm distance