Sharper radar imagery, improved target separation and high-powered digital signal processing in one, compact radar scanner. The 18" high-definition radar has a 36NM range giving you clear, focused radar images. The antenna’s 5° beam width has the best weather penetration and target definition in its class. Innovative MARPA target tracking combined with a multifunctional display and an optional heading sensor (not included) helps you avoid traffic on the water. Track bearing, course, speed and predict your closest approach up to 10 targets. Self-contained signal processing offers you a precise, easy-to-read signature. Transmits data over the Garmin Marine Network, letting you expand your boat’s system as needed. Waterproof to IPX7 standards. Dimensions: 18" dia. x 9.3"H. Transmit power: 4 kW. Beam width: 5° horizontal; 25° vertical. Maximum range: 36NM. Weight: 15.8 lbs. Antenna sweep: 24/30 rpm (dual rotation).