IPA: //ˌreɪdioʊˈtɛləmɛtri//
KK: /reɪdioʊtɛlɛmɪtri/
A method of sending data over long distances using radio waves.
The scientists used radiotelemetry to track the movements of the animals in the wild.
Radiotelemetry → It is formed from "radio" (from Latin *radius*, meaning ray or beam) and "telemetry" (from Greek *tele* meaning far and *metron* meaning measure). The word describes the measurement of data transmitted over a distance using radio waves.
Think of 'ray' or 'beam' ('radio') being used to 'measure' ('metron') something from 'far away' ('tele'). This helps you remember that radiotelemetry involves measuring data transmitted over long distances.
No commonly confused words.