The Aaronia BicoLog 20100 X Biconical Radial Isotropic Antenna, 20MHz - 1GHz, Active Version is the perfect tool for performing economic and still highly accurate measurements with unbeatable sensitivity in the lower frequency range down to 20MHz. This radial-isotropic antenna is delivered with typical, extensive calibration data in order to facilitate calibration for various measurement systems. The high-quality BicoLOG 20100 X is very light-weight and as such perfectly suited for mobile applications, as well as usage in the laboratory.