ELECTRODATA

COMMUNICATIONS LOGGING RECORDER AND PLAYBACK UNITS, INSTANT CALL RECORDERS, MASTER/SLAVE TIME CODING UNITS EMBODIED IN RECORDERS, AUDIO RECORDING TAPES AND BULK TAPE ERASERS, ALL FOR USE BY POLICE, FIRE, AIR TRAFFIC CONTROL, AND SIMILAR PROFESSIONAL PERSONNEL TO RECORD (OR LOG) VOICE MESSAGES FROM TELEPHONES OR TWO-WAY RADIO NETWORKS