Description: 【Material】: Car Radio Stereo Antenna is made of PP and copper materials, with stable performance, professional manufacturing and long service life. 【Easy to Install】: The Car Radio Antenna base is easy to install, the base is a self adhesive base and can be installed anywhere. 【Compact and Portable】: The Car Antenna is compact and portable, making it easy to carry, so you can put it anywhere in almost any vehicle. 【GOOD QUALITY】: Voltage pickup is nanovolts, but with magnetic circuits, it extracts signals with premium signal to noise ratio. 【Car Accessories】: Cable Adapter is suitable for all WiFi, 3G, media systems for BMW and for Mercedes-Benz. Specification: Interface: FRKRA-Z type and G type point Default model: Z type Gain: 6DB (height changes with gain) Standing wave:1.5DBI Resistance: 50Ω Voltage:3 to 5V Inner core material: Built in PCB circuit board Size Chart: 12cmx5cmx1cm/4.72inchx1.97inchx0.39inch Package Includes: 1 Car Radio Stereo Antenna Note: Please allow slightly errors 1-2cm differences due to manual measurement.