What is the maximum distance of 9 micrometer singlemode fiber a 1300nm longware laser at 4 Gbps?

What is the maximum distance of 9 micrometer singlemode fiber a 1300nm longware laser at 4
Gbps?

A.
> 50k meters

B.
10k meters

C.
5 k meters

D.
2k meters

Explanation: