There is frequently a need to provide RF sensors at specific points within the whitegoods appliances and industrial machinery to allow for more accurate control or for control at specific points within the appliance and the machinery.
Wires may be cumbersome for the end user thus detracting from the user experience. Wires may not be feasible given the temperatures, movement, or other hazardous conditions between the location of the sensing point and the power supply. While this can be avoided with battery powered sensors, this approach may result in a life time issue requiring the customer to change batteries that may be troublesome or even impossible.