KP Performance 2.4 GHz WISP sector antennas with 120 Deg. Beamwidth are shipped from stock the same-day they are ordered. 2.4 GHz WISP sector antennas with 120 Deg. Beamwidth from KP come with a 100% performance guarantee and are backed by expert technical support from a team of former WISP operators and Ph.D. antenna engineers.