High Quality 3G 9dB Booster RP-SMA Antenna, can be taken apart. Magnetic Stand design for easy to install on window side or top of the ceiling to gain more signals. Install by simply unscrewing your current antenna, and attach this High Gain antenna in its place. There are no drivers to install, and no modifications to your setup are necessary. Frequency Range: 850-960/1710-2170MHz. GSM/GPRS/EDGE: 850/900/1800/1900MHz. HSUPA/HSDPA/UMTS: 2100MHz/900MHz. CDMA: 1900 MHz. VSWR <=1.5. Gain: 9dbi. Impedance 50 Ohm. Polarization Linear Vertical. Light Weight. Omnidirectional Antenna. Colour: black. Mounting: Magnetic Base. Cable: RG174. Working Temperature: -20~+55 °C.