So this is called a modem we use it to send and receive info over telephone lines
Hope this helps
-scav
The baseline satellite<span> constellation consists of 24 </span>satellites<span> positioned in six </span>earth-centered orbital planes with four operation satellites<span> and a spare </span>satellite<span> slot in each orbital plane.</span>
Answer:
The blank space around the edges of a sheet of paper — as with the page of a book — that surrounds the text is called the margin.