The car antenna has a larger signal reception area. Will the short car antenna reduce signal reception? Don't worry, it won't be noticeable on this car antenna. Advanced structural design, stable and strong signal, perfect reception of FM and DAB functions. The FM/DAB car antenna is equipped with three different types of adapter screws, suitable for all types of car roof antennas, easy to install. No tools are required for successful installation. This 9.2 cm roof antenna, based on signal reception, makes your car dynamic and beautiful, and you are the focus on the highway. You can freely drive into the low garage without having to dismantle the antenna from the car. As an excellent car roof antenna, you no longer have to worry about various weather changes, no longer have to worry about bumps in the road, no longer have to worry about being damaged when washing the car. You will feel more comfortable and enjoy the driving experience. Packaging: 1 x FM DAB car antenna + 4,5,6 mm adapter.