What is a telemetry?

Answer:

Answer

Telemetry is the term used for monitoring and/or controlling something from a remote location using electrical signals.

It can be via telephone line, radio signal, cellular signal, leased line, etc

It can be on all the time or "call in" at pre-programmed times or when certain events occur.

It has uses in industrial applications such as un-manned pump stations, and medical applications such as heart monitoring