rubber antenna is designed for CDMA or GSM. Small frame,good appearance, easy installation. Rubber antenna is designed for CDMA or GSM. Small frame,good appearance, easy installationElectrical Specifications:Model: FS-900/1800DFrequency RangeMHz:890-960 /1710-1880Bandwidth-MHz:70-170Gain-dBi:2.15VSWR: ≤1.5Input Impedance -Ω:50Polarization:Vertical Connector Type:SMA Male(Gold-plated or Silver ...