Usage: It is used to receive car radio signals, supports AM FM CB frequency, and does not affect the use of GPS and other devices. Material: We used the durable rubber to make the outside of the antenna. Elastic and not worried about bending caused by car wash. The material used to receive the signal inside is made of copper from Chile.On the basis of signal reception, the antenna can be used for a long time. Installation Fast: Antenna installation is very convenient, less than a minute you can install, also do not need any external tools.All you need is for you to screw off the old antenna and screw on ours. Parts Replacement Number: 5091100AA / 5091100AB / 5091100AB Fitment: For 2011-2012 Jeep Liberty (Does not fit for 2010 Liberty) For 2011-2013 Jeep Grand Cherokee For 2014-2022 Jeep Cherokee For 2018-2022 Jeep Compass For 2016-2018 Jeep Renegade For 2011-2013 Dodge Durango For 2013-2016 Dodge Dart For 2010-2017 Dodge Journey For 2011-2014 Dodge Avenger For 2010-2011 Dodge Nitro For 2011-2014 Chrysler 200 For 2016-2019 Fiat 500,500L color:Black Material:rubber Package Contents: 1 x Antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.