This Outdoor Yagi Directional for 800/850/900MHz Band OnlyEasy installation on buildings1. This Yagi antenna is compatible with all 800/850/900MHz wireless carriers， stable performance2. This Outdoor Yagi Directional Antenna includes mounting parts for easy mounting on either at flat surface or a pole.3. This Outdoor Yagi Directional Antenna works with all major wireless carriers operating on 800/850/900MHzNote: This Yagi antenna is Not compatible with 1700/1800/1900/2100MHzSpecifications:Frequency Range 824 - 960MHzGain 11dBiFront to Back Ratio bigger than 15dBImpedance 50 ohmsVSWR Less than 1.5Cable loss 0.12dBVertical Plane 72°F ± 5°FHorizontal Plane 76°F ± 5°FPolarization Vertical or HorizontalConnector Type N FemaleNumber of Element 7Rated Wind Velocity 145 Mile per HourWorking Temperature -40°F - 140°FNote: Please confirm the Frequency Range of your cellphone carriers before buying.1 x Outdoor Yagi Antenna