Features: Enhances your FM radio signal strength with our car FM antenna amplifier, ensuring a stable and uninterrupted listening experience even in areas with weak reception. Featuring a high gains designs and advanced amplification technology, this compacts and durablity device is for most car stereo systems and requires no complex tool for installation. For drivers seeking improved in car stereo quality, long distance traveler needing reliable radio reception, and music enthusiasts desiring superior sound clear. Perfect for daily commuting in urban settings to maintain consistent signal strength, long road trips on highways for seamlessly music enjoyment, and outdoor adventures where remote radio access is essential. Crafted from metal and plastic materials, this antenna amplifier is designing to withstand various environmental conditions, offering strong corrosion resistance and longevity. Specifications: Component:Metal+Plastic Length:Approx.25cm/9.84inch Vehicle FM Antenna Amplifier Technical indicators: Operating frequency: 88-108MHZ. AM： 582hz～1830hz FM：85-112MHz Gains: 12-13dB Noise figure: > 2 Interfaces impedance: 75ω Power supply: DC10 ~ 15v Suitable for: car and other FM signal reception, which can increase the receiving distance and enhances the sensitivity of weak signal reception. Just one aerial is needed to mount over windscreen,no need for another. Package Includes: 1 Set Car FM Antenna Amplifier note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.