Type of Antenna: Dual Band Antenna (800-1900/806-894/1850-1990 MHz).</br>This product is not intended to boost signal by itself.</br>Dual Band vertically polarization Omni-directional antenna with an N Female connector.</br></br>Product Description</br></br>Wilson Electronics in-building dome ceiling mount antenna?? designed for use with Wilson Electronics in-building signal boosters. This is a Dual Band (800-1900/806-894/1850-1990 MHz) vertically polarization Omni-directional antenna with an N Female connector and features 2.5/4.5 dBi of gain.</br><br/>http://www.amazon.com/gp/product/B0006VSHF8