Mini GPS active Antenna 1, Frequency: 1575.42 MHz 2,VSWR: 1.5: 1 ... ,GAIN: 28 dBi 4.ROSH, CE, ISO9001:2000 Mini GPS active Antenna Antenna Electrical specification : Frequency range1575.42±1.023 MHz Gain3.5 ... Voltage3V , 5V, 3V to 5VDC current5mA ,10mA Max Mini GPS active Antenna