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What does the term “telemetry” mean?

Telemetry is the collecting of measurements or other data in real time at remote locations and the automatic transmission of that data to receiving equipment (telecommunication) for monitoring. The word comes from the Greek origins’ tele, which means “distant,” and metron, which means “measure.” Telecommand is the telemetry’s counterpart for systems that require external commands and data to function.

Although the term is most commonly associated with wireless data transfer mechanisms (such as radio, ultrasonic, or infrared systems), it also encompasses data transferred over other media such as a telephone or computer network, optical link, or other wired communications such as power line carriers. Many current telemetry systems use SMS to receive and transmit telemetry data, taking advantage of GSM networks’ low-cost and widespread availability.

The Internet of Things (IoT) movement world-wide has gotten a lot of attention as a result of the Fourth Industrial Revolution. Customers are increasingly asking for low-cost wireless networks to link low-power devices like electricity metres, animal trackers, weather stations, and sensors that must be on all the time and output modest amounts of data.