Window-mount directional receiving antenna</br>N-female connector (50 ohm)</br>7 dBi / 10 dBi gain</br>Wide band 2G?? 3G & 4G LTE (698 - 2700 MHz)</br>Eliminates need for roof-mounted antenna</br></br>Product Description</br></br>Wide band directional 50 ohm window-mount indoor antenna with N-Female connector for use with SureCall cell phone signal boosters.</br><br/>http://www.amazon.com/gp/product/B01MAWS6Y8