... /1900,1900/2000MHZ dual/vertical/horizontal/circular 15years' manufacturer Antenna ( Base station antenna )GSM900MHzSingle polarization 90º 17dBiall kinds of Base station/microwave ... ,1800/1900,1900/2000Type:RF, ceiling,wall, log periodic,tri-sector, array, directional, Yagi,directional,parabolic CDMA,GSM,UHF,GPS,etc ... 7daysPackage: as requiredPayment: T/T, L/CWarranty:1year Base station panel antenna