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D.J. Systems is a family owned wholesale marine electronics company. Est. 1977 in Riviera Beach, Florida. We sell only to companies that have a Florida resale certificate (issued yearly). Wholesale only. We specialize in electronics, wire, connectors, and everything used on boats including antennas. Some of our product manufacturers are ACR, Digital, Analytic, Charles, BlueSeas, Boatlife, Channel Vision, Cole Hersee, 3M, Jensen, Poly Planner, Garmin, Lilly, Prowatt, Shakespeare, and others.