We have a Pager that works, but no pager service is available. People have moved on to phones.
Amateur radio receivers

Features
- Incoming SMS
- Outgoing Landline
Electronic Engineering Technologies
ISA – Instrumentation Systems and Automation Society
Founded – 1945, ISA is a leading, global, nonprofit organization that is setting the standard for automation by helping members and other professionals worldwide. Research Triangle Park, North Carolina.
Certifies industry professionals; provides education and training; publishes books and technical articles; and hosts the largest conference and exhibition for automation professionals in the Western Hemisphere.
Instrumentation, Systems, and Automation Society, formerly the Instrument Society of America, a professional organization for instrument engineers.