Introduction

Telemetry

The use of telecommunication for automatically indicating or recording measurement at a distance from the measuring instrument.

Mode of Communication

Simplex Communication
 
Transmitter and receiver terminal operate on the same frequency. It applies one-way communication where only one communication (transmit or receive) at any one time.

Duplex Communication

Using duplex channel system where transmit and receive frequency is on different discrete channels (different transmit and receive frequency).