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
Developer of technical computing software. Software for simulation of real world multiphysics systems. COMSOL Multiphysics is an engineering, design, and finite element analysis software environment for the modeling and simulation of any physics-based system.
Modules for Structural Mechanics, Chemical Engineering, Plasma MEMS, Earth Science, Acoustics, and more.
Electrical Modules – AC/DC Module, Batteries & Fuel-Cells Module, Hi and Low Frequency Electromagnetics, Heat Transfer, RF Module.
COMSOL Desktop is a powerful integrated environment designed for cross-disciplinary product development with a unified workflow, regardless of the application area.
The Application Gallery features COMSOL Multiphysics tutorial and demo app files pertinent to the electrical, structural, acoustics, fluid, heat, and chemical disciplines.
Powerful Packaging for Electronics in Extreme Environmentsย – “.. a team at APEI decided to develop a new power module โ a package meant to contain power components, cool electronics devices, and connect them to other circuits โ with improved thermal management capabilities and performance”
COMSOL, Inc.
100 District Avenue, Burlington, MA 01803, USA.