1, GPRS, GPRS 900/1800 2, Bandwidth: 70/170MHz 3, Low vswr 4, Dimensions:10cm GPRS, gprs 900/1800mhz patch antennaApplications:Designed for the dual band mobile communication system. Features:Small dimensionGood VSWRStable performance SpecificationsModelTQC-900/1800TFrequency Range-MHz890-9601710-1990Bandwidth-MHz70170Gain-dBi2.15VSWR≤1.5Nominal Impedance -Ω50PolarizationVerticalMaximum Power - ...