What is a telemetry?
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