Categories
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The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 2001 Series (2 members)
- Acoustic Technology, Incorporated (5 members)
- Alerting Communicators of America (7 members)
- American Signal Corporation (9 members)
- California systems (1 member)
- City systems (6 members)
- County systems (3 members)
- Defunct Manufacturers (1 member)
- Demo template (1 member)
- Directional Sirens (11 members)
- Disa (1 member)
- Disambiguation pages (1 member)
- Dual Toned Sirens (29 members)
- Eaton (2 members)
- Eclipse Series (1 member)
- Electromechanical Siren Controls (6 members)
- Electromechanical Sirens (42 members)
- Electronic Siren Controls (5 members)
- Electronic Sirens (27 members)
- European systems (1 member)