radar slotSlot radiators or slot antennas are antennas that are used in the frequency range from about 300 MHz to 25 GHz. They are often used in navation radar.Slot Back [N-001 Mech] - (Su-27P1M, Su-27S1M, Su-27UB1M) Radar Role: Radar, FCR, Air-to-Air, Medium-Range Max Range: 166.7 km