Installing ceramic or porcelain tile is both an art and a science. Tile installers must know the composition of the tiles as well as how to lay them in place attractively. Besides the normal costs of labor and materials, a tile project's costs vary by the type of sub-flooring to be used as a foundation for the tile.
Three things can cause an EMI problem: A signal source creates some kind of noise, there is a transmission path for the noise, and/or there is a receiver sensitive enough to be distorted by the noise, as shown in Figure 1.
Causes of EMI problems are: a) Failure to adequately define environments, b) Failure to assess EMI/RFI impact on key performance parameters, c) Failure to accomplish adequate Electromagnetic Compatibility (EMC) testing evaluation, d) Failure to grow sufficient numbers of qualified EMC engineers and, d) Communications Reduce Intelligibility Bit Error Data and distortion.