... 1. frequency:1575.42+/-3MHz 2. gain:28dbi 3. MOQ:500pcs ISO9001 high gain 28dbi gps navigation antenna 1. Specification: 1) . model :XQJ-1575M ... .5GHz (wimax), 5.8GHz wireless spread spectrum communication antennas series (including: omni , directional , Yagi, indoor coverage Ceiling wall hangings, parabolic, plate, vehicle suction ...