Satellite Microwave
A satellite consists of several transponders(frequency bands),which receive signals from one frequency band.This action is called up-link.After this action,the satellite will amplify or repeat the signals to the other frequency band.This action is called down-link.A satellite link is like a microwave link.Satellite will link two or more ground stations,like point-to-point link or broadcast link.The most important applications for satellite communication will be long-distance telephone transmission,private business networks,and television distribution.
