ISS QAO-075300 Beeper PCB Board Module is a compact audible signaling device implemented as a printed circuit board for use as a beeper in control and automation equipment. The module is identified by part number QAO-075300 and appears with revision indicators ISS.1 and ISS1 in the accompanying data, confirming its versioning. As a dedicated beeper board, it provides a standalone alert function within compatible ISS or third-party assemblies that accept a beeper PCB module.
