Warning Systems Sales, Service & Installation. Control Systems, Sirens & Communications. Warning Sirens: Community warning systems, tornado & flood warning, outdoor warning systems, mechanical & electronic sirens. AM Information Radio Stations: Low power AM radio stations for emergency and traffic information. Complete system design, licensing and installation. Alert AM Emergency Advisory Radio System. Industrial Warning: Evacuation alarms, high power voice & siren systems, chemical release alarms, combined indoor and outdoor notification & alarm systems. Military Warning: Personnel alerting systems, base evacuation alarms, threat warning systems. Fire Station Alerting: Audible and visual station alerting systems, fire station traffic control, tone alert radios, custom system design & installation.