Outdoor Use. Sealed for all weather conditions</br>50 Ohm</br>700 - 2500 MHz / 10 dBi</br>Directional Antenna</br>N-Female connectors</br></br>Product Description</br></br>This high gain antenna is used to increase the signal from the cellular tower?? and through a coaxial cable?? send it to the booster. The added gain from this antenna results in superior system performance. Using this high gain antenna will improve your signal quality and increase coverage area in your troubled areas. This is a directional antenna and is best used by pointing the antenna at the cellular tower where you want to capture the signal. This antenna can also be used in a service capacity to output the cellular signal in your area that needs better reception. With its rugged construction it is ideally suited for outdoor applications.</br><br/>http://www.amazon.com/gp/product/B00JS87KNA