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SEL SP-21 "Barricade" - RF jammer. Operating manual. (pdf, 154Kb)
SEL SP-55 - vibroacoustic noise system. Operating manual. (pdf, 448Kb)
SEL SP-61/М Katran - non-linear junction detector. Operating manual. (pdf, 352Kb)
SEL SP-71/M "Obereg"- digital RF detector - frequency-meter. Descriptive memorial and operating instruction. (pdf, 158Kb)
SEL SP-75 Black Hunter - RF detector. Operating manual. (pdf, 106Kb)
SEL SP-81 ORACUL - search receiver - correlator. Operating manual. (pdf, 108Kb)
