A wireless time division duplex communication system using code division multiple access has a base station and user equipments. The latch includes a control input for configuring the latch into a repeater state or a latch state, a drive component responsive to the control input and for driving an input signal through as an output signal, and a pulse widthinhibit component coupled to the drive component. Sensor readings at the various power levels are utilized to determine the location of the tagged object.