Sonik Messaging Systems manufactures radio paging infrastructure products and provides integrated paging systems. The company provides a variety of products, including digital paging transmitters, wireless massaging base stations, paging data receivers, pagers, and paging terminals and controllers. Its PTX-150 is a Windows-based, real-time, all-digital paging transmitter that is used by federal military bases, hospitals, police and fire departments and utility companies for a variety of applications. The company offers a variety of services and solutions, including system design, propagation analysis and coverage guarantees, throughput analysis, installation, system integration, project management, and acceptance and radio frequency coverage testing. It also offers user, supervisor and technical training, system and product documentation and ongoing maintenance services. Sonik Messaging Systems is located in Vista, Calif.