quick course work question

[ExcitezR]

hi so i was wondering if any one knows what a point to point laser system is and why you would use it also speeds. its hard to find info online as its quite uncommon 

[dzonidev]

On the contrary you can find a fair bit of data on it. I think this is what you are looking for: http://en.wikipedia.org/wiki/Free-space_optical_communication

NASA did a test with the ISS, I think they got like 600Mbps.