Question

What is L band used for?

Answer 1

Answer:

long band is a wavelength band immediately adjacent to the Conventional band initially used to expand the capacity of terrestrial DWDM optical networks. It is now being introduced to submarine cable operators to do the same thing expand the total capacity of a submarine cable.

Explanation:

Hope this helps u

Answer 2

Explanation:

It is used to expend the capacity of terrestrial DWDM optical network