Question

Identity the terms
It is a radio that receives a conversation at one frequency and then amplifies it and re-transmit it back to earth on
another frequency​

Answer 1

Explanation:

The most important feature of a communications satellite is the transponder -- a radio that receives a conversation at one frequency and then amplifies it and retransmits it back to Earth on another frequency. ... Navigational satellites help ships and planes navigate. The most famous are the GPS NAVSTAR satellites.