US Patent 7911406 Modular digital UHF/VHF antenna

The invention relates to Radio Frequency (RF) antennas suitable for receiving and/or transmitting digital signals in the Ultra High Frequency (UHF) and/or Very High Frequency (VHF) ranges. The invention comprises a modular driven DUV antenna comprising a driven DUV element, an RF signal line RF communicatively connected to the driven DUV element, and an antenna mount supporting the DUV element; and a modular RF signal enhancer, supported by the antenna mount and selected from: an RF amplifier and a passive RF enhancer positioned to enhance the RF performance of the DUV antenna and comprising one of: an RF director, an RF reflector, and an RF booster.