1.Internal wifi antenna 2.GSM internal antenna,GPS Active Antenna 3.100% tested 4.Jacket:teflon 5.brass,nickel plate Internal wifi antenna Impedance50 ohm ,75 ohmFrequency ... oProductShow = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Internal wifi antenna