Transmission Media -Cont

™   Very High Frequency (VHF) (Figure) o    Most VHF waves use line-of-sight propagation o    Used for VHF Television, FM Radio, Aircraft AM Radio

™   Ultra High Frequency (UHF) (Figure) o    Always use line-of-sight propagation o    Used for UHF Television, Mobile Telephone, Cellular Radio, Paging, Microwave Links o    Note that microwave communication begins at 1GHz in UHF and continues into SHF and EHF band

™   Super High Frequency (SHF) (Figure) o    SHF waves are TX using mostly line-of-sight and some Space propagation o    Used for Terrestrial and Satellite Microwave and Radar Communication