3 GHz WISP sector antennas from KP Performance are available with many popular beamwidth patterns including 60°, 65°, 90°, and 120°. 3 GHz WISP sector antenna series is shipped from stock the same-day they are ordered. 3 GHz WISP sector antennas 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.