This patent is for the protection of a proposed redesign of disposable undergarments for adults and even children, to correct years of design changes that have basically encompassed only changes in manufacturing process, or materials in order to utilize developing technology for improved performance. The housing and the substrate cooperatively form a receiving space therebetween. An arc-shaped detector system is coupled to the collimator subsystem having a shape closely matching the shape of the collimator subsystem for detecting collimated radiation photons from the collimator subsystem and generating output electrical signals. The receiver, when operating in a second mode, consumes more energy than the first mode and analyzes the RF energy to determine whether it contains the appropriate type of modulation. One of the receiving member and the supply member protrudes toward remaining one, and the remaining one is configured to receive the one.