... ,OHSAS18001,CE,RoHS PVC,Easy Install,360degree covergae 1.5dBi omni Antenna Electrical SpecificationsModelSPQ-230-2Frequency Range-MHz225-245Gain-dBi1.5VSWR≤1 ... vector network analyzer,frequency spectrum analyzer,standard microwave anechoic chamber,antenna near field-testing system and ,far field automatic testing systems ... test systems,waterproof test systems and so on. 0-700MHz 2dBi Omni Antenna