Features:100% New and High QualityProduct Code: FM-25Power supply voltage: DC 12VPower: 60-100 MAOperating frequency: 48-860 MHZGain: 20 ± 3dBNoise factor: ≤7dBOutput Impedance: 75ΩOutput VSWR: ≤3Output line length: 3m or 5mWorking temperature: -20C ~ + 70CStorage Temperature: -40C ~ + 90CApplies to: car FM signal reception， increase the receiving distance， enhanced weak signal reception sensitivity.This is a universal AM/FM antenna that is easy to hide in your automobile， truck， and even boat! Just hide it anywhere， simple hook ups， peel， and stick， glass， roof， headliner， inside the camper， mounts to any surface.