... /1900,1900/2000MHZ dual/vertical/horizontal/circular 15years' manufacturer Base station antenna Model No: YX900X120-14.5T a DInput: 2 ... ratio: >20dBIsolation: >30dBIM3 (20W): <-150dBcMax.power: 500 WLightning Protection: DC groundall kinds of Base station/microwave/UHF antennasCertificate:ROHS,ISOFrequency:800,900 ... within 7daysPackage: as requiredPayment: T/T, L/CWarranty:1year Base Station Antenna