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

Features
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- Outgoing Landline
Electronic Engineering Technologies
They have unique Interface products that make blending the real world analog and the digital electronics that makes embedded computing possible.
Linear Technologynow part of Analog Devices
They have Solutions in power management, data conversion, signal conditioning, wireless and circuit and device interface.
Linear Technology – Analog and Interface Solutions
Some Special Products include – SmartMesh WirelessHART, Signal Chain ยตModule Receivers, Supercapacitor Chargers, Optical Communications and ยตModule LED Drivers.
Linear Technology Corporation was founded in 1981 as a manufacturer of high performance linear integrated circuits. Linear Technology products include high performance amplifiers, comparators, voltage references, monolithic filters, linear regulators, DC-DC converters, battery chargers, data converters, communications interface circuits, RF signal conditioning circuits, and many other analog functions.
The DC9022 SmartMesh WirelessHART RF Certified Starter Kit provides all the tools for evaluating SmartMesh network performance for your application needs, including high reliability, ultralow power, scalability and ease of installation. This accelerates device integration and application development.
The DC9018A-C Evaluation/Development Mote Modules feature easy-to-probe signal pins. In addition, the starter kit provides access to both manager and mote software application programming interfaces (APIs) to enable application software development.
Linear Technology
1630 McCarthy Blvd. Milpitas, CA 95035-7417, USA.