A system for transporting radio frequency (RF) signals across a RF network comprises a central transport unit and a remote transport unit. The frequencies of at least some of the RF signals to be transported hop in accordance with predetermined hopping sequences. The central transport unit uses the hopping...http://www.google.es/patents/US6088381?utm_source=gb-gplus-sharePatente US6088381 - System for transporting frequency hopping signals
