This document provides specifications for a four band directional antenna and man pack anti-drone UAV jammer. The antenna operates across four frequency bands between 1575-1620MHz, 2400-2500MHz, 5150-5875MHz. The jammer has a maximum output power of 102W across five bands, and can operate for 1-2 hours on its built-in battery. Key specifications for the four band directional antenna include frequency ranges, output power levels, polarization, beamwidths, front-to-back ratios, and impedances for each band.