Cellular antenna serial product Description: Cordless antenna for portable telephones Feature 1.Compatible with any portable cellular telephone on the market. 2.4db gain in horizontal phone. 3.3db gain in vertical plane. 4.Easy installation. 5.Cordless operation no cable hookup. 6.No power hookup. Installation The ideal place to mount the P-98 is the top center of the rear window of your car. Installation on a side window or the front windshield is recommendation and will enable the device to work at its fullest capacity. Thoroughly clean the inside and outside surfaces of the glass where the P-98 is to be placed. Remove the wax backing paper from the antenna base/mount and affix to the outside of the window. Note: The antenna pole should be in a horizontal position. Remove wax paper from interior element box and affix on window inside the care directly opposite the outside antenna base. The antenna pole of the outside box of antenna pole. Explicate: Packing Qty: 1*80 G.W. 4.9KG N.W. 4.3KG Measure: 56*28.5*22CM Color: Argent Material: Plastic, Coherer