Column Control DTX

A Guide to Dynamic Frequency Selection Test

Application Notes

The Internet of Things (IoT) faces new compliance regulations and tests as its use grows at an astounding rate. Two primary factors are driving the increase in the type and number of tests imposed by regulatory agencies worldwide. The first factor is the interference resulting from various IoT devices sharing the limited free spectrum. The second driver is due to the allocation of new frequency bands for unlicensed use and the need to protect existing users from these new assignments.

The new tests are more complex and time-consuming than the traditional tests for power, frequency, bandwidth, and other transmission characteristics. This application note explains how the dynamic frequency selection (DFS) test process protects incumbent radar systems operating in the 5 GHz industrial, scientific, and medical (ISM) band.


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Column Control DTX