This is a network switch with a port mirroring feature. You need one to capture the packets that are not broadcasted. In good old days, there were no switching hubs, and lives were more simple and straightforward.
Ham Radio Blog
This is a network switch with a port mirroring feature. You need one to capture the packets that are not broadcasted. In good old days, there were no switching hubs, and lives were more simple and straightforward.