MT 2.9.7 wireless client+ap and other comp wth sat internet

I allready have small LAN network served by MT 2.9.7 witch is connected to wireless isp, and have AP in same MT.
now, I would like to add one way satellite internet from other comp to MT, so it can be used form any client comp on my LAN. how this could be done? proxy? transparent proxy? please give me any info on this. thanx.