Parasitic TV antennas

Our company presents the range of not only active but also passive television antennas. Passive antennas are intended for work within line-of-sight distance from a television center as they do not have a built-in signal amplifier. There are several types of passive antennas.
For example antennas ZENIT. They consist of VHF split electric dipole and a broadband log-periodic UHF antenna ...