The Aaronia BICOLOG 20300 X Biconical Radial Isotropic Antenna, 20MHz - 3GHz, Active Version is the perfect tool for performing economic and still highly accurate measurements in the lower frequency range up to 20MHz. This radial-isotropic-antenna is already delivered with typical, extensive calibration data in order to facilitate calibration for various measurement systems. The high-quality measurement-antennas of the BicoLOG series are very light-weight and as such perfectly suited for mobile application, as well as usage in the laboratory.