This is the blog of Ronald Bartels that wanders on and off the subject of problem management (that is how it started). Like the best music is from the Eighties and a wee dram helps in solving most inconveniences.
Fidelity ADT IoT Alarm Communicator - Model 1E
The Fidelity ADT IoT wireless
communication device links an intruder alarm panel to a 24x7 security
monitoring center of a security service provider.