THESE ARE MILITARY FILTERS USED IN SECURE INFORMATION DISTRIBUTION SYSTEMS. THEY ARE COAXIAL FILTERS IN A HOUSING WITH A BANDWIDTH OF 962-1215 MHZ ( IE CENTRE FREQUENCY OF >485MHZ) AND AVERAGE PASSBAND LOSS OF 2.0dB (IE <3.5dB). REPLACES GB 116256781

CLASSIFICATION IS DETERMINED ACCORDING TO GIRS 1 AND 6 OF THE COMBINED NOMENCLATURE. CN 85291080. Aerial filters and separators Filters, excluding surface acoustic wave filters, for a center frequency of 485 MHz or more but not exceeding 1 990 MHz with an insertion loss not exceeding 3,5 dB, contained in a housing