This FM suppression filter is designed for BCFM radio systems to minimize FM broadcast interference and protect shortwave reception. Key benefits - Reduces FM band interference: specifically suppresses the 88 to 108 MHz range to prevent FM signals from affecting shortwave performance. - High attenuation in FM band: provides about 50 dB or more attenuation within 88–108 MHz, helping to keep shortwave signals clean. - Focused FM filtering: mainly targets the FM band to prevent its influence on other bands, improving overall receiver clarity. - Image and gain considerations: by reducing FM-related image effects, it helps maintain stable reception when adjustments to receiver gain are made. Specifications at a glance - Target filter range: 88–108 MHz (FM band) - Attenuation: approximately 50 dB or more within the FM band - Primary purpose: suppress FM signals to prevent interference with shortwaves - Intended use: compatible with BCFM radio station equipment and installations - Physical attributes: size and material not specified Compatibility and performance notes - Designed to work with BCFM radio systems to minimize FM leakage into shortwave bands - Attenuation in the FM band helps preserve shortwave signal integrity across various operating conditions Use scenarios - Shortwave listening in environments with strong FM broadcasting nearby, where FM interference degrades reception - Transceiver setups near FM transmitters, where FM signals can leak into other bands - Field operations requiring reliable shortwave reception in the presence of FM activity, such as remote monitoring or DXing This filter provides targeted FM suppression to improve shortwave clarity, focusing on essential function, compatibility with BCFM equipment, and measurable performance in the FM band.