Description:This fm radio antenna adopts high sensitivity to achieve 25dB high gain to make radio receiving very stable and smooth, which makes it suitable for low floors with obstacles and poor signal. Adjustable frequencies of 85-112Mhz make the USB FM antenna fit for different situations.Features:Stronger FM Signal - Adotping high gain 25dB antenna to boost signals for FM radio.Stable Signal - High frequency of 85-112Mhz ensure the stability and smoothness of signal transmission. Give you a great listening to radio enjoyment.Plug and Play - This USB FM Antenna supports plug and play. No need for driver or software.For Low Floors - It is suitable for low floors with obstructions and poor signal.Portable - Mini size and light weight allow this radio aerial amplifier to be carried to everywhere you want.Specifications:Product type: FM Radio AntennaWorking frequency: 85-112MhzHigh gain: 25dBCable length: approx. 5m/ 5.47ydCharging mode: USB charging, 5VCurrent: 10mAPackage size: approx. 19 * 10 * 3 cm/ 7.48 * 3.94 * 1.18 inPackage weight: 222gPackage List:1 * FM Radio Antenna.Note:1. Place the antenna near a window or other open area away from large metal objects and other electronic equipment interference; 2. Adjust the direction of the antenna: gently move the antenna to find the best orientation for the signal (if the signal improves, continue to move in that direction; when the signal begins to fade, gently move the antenna in the opposite direction); 3. Confirm that the frequency range being searched is correct.