... DisplayMODEL: KR-1338 FEATURE:1. 4KW output, 36nm range radar for all kinds of boats2. Rugged dle-cast, waterproof housing ... 4 Vert: 25 TypicalRF Transceiver 1. Frequency9410 30 MHz (X-band) 2. Pulselength PRR0.08µ s/2100 Hz (0.125, ... 0.8µ s/ 600 Hz(3*, 4, 6, 8, 12, 16, 24, 36 nm)Pulselength & PRR for 1nm ranges ... 0.5, 1, 1, 2, 2, 3, 4, 6, 12 4. Echo TrailInterval: 15s, 30s, 1min, 3min, 6min, 15min, ...