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PolyPhaser Impulse SuppressorPOLYPHASER INLINE EMP LIGHTNING SURGE IMPULSE SUPPRESSOR 800-900MHZIS-CF50HN-MA Polyphaser 800-900 MHz 750W inline EMPlightning surge suppressor filter offering 716 DIN coaxial antenna to equipment protection. Input Connector Type 716 DIN MaleOutput Connector Type 716 DIN Female ConnectorNew Old StockStill sealed in plastic back with original boxMore than one availa...