The data is encrypted that&#x27;s actually how satellite internet works unless you have the resources of a nation state your packets will be mingled with everyone else&#x27;s the receiver on your end reads all the packets but can only decrypt the ones intended for you.
The uplink varies in the past the uplink usually used to go over dial-up&#x2F;ISDN or even slow speed DSL but today terrestrial transmitters are quite common in most modern Satnet installations.