The Fixed Notch Filtration Assy (Version N.1) delivers mission critical data capture, reporting and threat deterrence to a broad range of aircraft personnel. Allowing for detection of and rejection of MHz bands within MIDS (Multifunctional Information Distribution System) / JTIDS (Joint Tactical Information Distribution System), the 2500324-1350-1000 detects and eliminates threats within data communication and can be combined with existing equipment, further supporting existing and down range requirements for DoD joint interoperability.