Bogen ZPM-3 3-Zone Paging Module Public Address Equipment

3 Zone Paging Plus All-Call Bogen ZPM-3 3-Zone Paging Module - The Bogen ZPM3 is a telephone-compatible zone paging module with all-call and talk back capabilities serving up to three one- or two-way paging zones.The ZPM3 can also be used in a paging system independent of a telephone system.