Catherine's team is using the concept of on-off device by using a single transmitter to reach multiple receivers.
<h3>What is a device?</h3>
It should be noted that a device simply means something that is adapted for a particular purpose especially an electronic equipment.
In this case, Catherine's team is using the concept of on-off device by using a single transmitter to reach multiple receivers.
Learn more about device on:
brainly.com/question/24786034
