Features ANTI FM INTERFERENCE: The operating frequency range of the filter is 1 to 3000MHZ, with stopband suppression greater than 50dB at 88 to 108M, anti FM interference. MAIN PURPOSE: This band stop filter can pass through most frequency components and attenuate a range of frequency components to a very low level. LOW LOSS: Anti FM bang stop filter has low passband insertion loss, which is less than 1dB, very energy saving. ALUMINUM ALLOY HOUSING: The filter adopts CNC aluminum alloy housing, which is sturdy and stable, ensure long term use needs. PRECISE INTERFACE: This broadcast FM band stop filter is fine made with standard and precise interface, very easy to connect with your device. Specification: Item Type: Band Stop Filter Material: Aluminum Alloy Operating Frequency Range: 1-3000MHZ Characteristic Impedance: 50Ω Stopband: 76-120MHZ, Stopband Suppression >50dB at 88-108M, Anti FM Interference Pass Band Insertion Loss: <1dB Maximum Input Power: +30dBm (1W) Input Output Interface: SMA KE (SMA Female) Package List:1 x Band Stop Filter Package List 1 x Band Stop Filter