:: This type of link is used in order to connect one central location to many remote sites spread across the country or abroad in the coverage area of the satellite. The master station is usually located at the client's headquarter.

  :: The master station in connected to the remotes using pairs of carrier frequencies, one for Tx, one for Rx. Thus, the channel is always available.

  :: Advantages:
        � bandwidth: 32 kbps - 5 Mbps;
        � the same infrastructure for all remote sites;
        � minimum delay ;
        � guarantied bandwidth;
        � few points of failure;
        � total independence of another networks;
        � data transfer, voice, video (optional).