Synchronization of wirelessly controlled notification devices using wireless communication

An apparatus including a control panel of a security system that protects a secured geographic area, a plurality of sensors, a plurality of annunciators, a processor that wirelessly exchanges information with the sensors and annunciators based upon a timing table defining a repeating superframe having a plurality of non-overlapping time periods including at least one response period, at least one request period and at least one silent period, a processor of the control panel that transmits an activation message to one of the plurality of annunciators within the response period and a processor of the at least one annunciator that processes the activation message and then directly synchronizes an audio or visible output of the at least one annunciator to a subsequent one of the plurality of non-overlapping time periods.