Features Effective FM Band Blocking: This Band Filter Module effectively blocks FM transmission between 88-108 MHz, ensuring clear communication without interference High Attenuation Performance: Achieves over 50dB attenuation in the 88-108 MHz range, providing superior signal clarity for your communication system Compact and Reliable Design: The small FM Filter Board is designed for easy integration, ensuring practicality and convenience in various setups Low Insertion Loss: Guarantees less than 0.5 dB insertion loss from 0 to 1 GHz, and mostly less than 1.5 dB from 1 to 3 GHz, optimizing your signal strength Maximum Attenuation Range: Engineered for maximum attenuation at 88-108 MHz with a 3dB roll point between 76 MHz and 122 MHz, enhancing overall performance Features: 1、Blocks the FM transmission band between 88‑108 MHz, band filter module can be practical and useful. 2、Supports that broadcast frequency band blocked between 88 ~ 108 MHz while attenuation exceeds 50dB. 3、And small and convenient FM filter board can be used with confidence for its guaranteed quality. 4、The insertion loss is l than 0.5 dB between 0 and 1 GHz, and mostly l than 1.5 dB between 1 and 3 GHz. 5、Designed for maximum attenuation 88‑108 MHz and the maximum attenuation between the 3dB roll point is 76 MHz and 122 MHz. Specification: Item Type: Band filter module Insertion Loss: L than 0.5 dB between 0 and 1 GHz, and mostly l than 1.5 dB between 1 and 3 GHz. Broadcast Frequency Band Blocked: When the attenuation exceeds 50dB, the broadcast frequency band is blocked between 88 ~ 108 MHz. Design Function: Designed for maximum attenuation between 88-108 MHz Maximum Attenuation Between 3dB Roll Points: 76 MHz and 122 MHz Package List: 1 x Band Filter Module 1 x Connector Package List 1 x Band Filter Module 1 x Connector