Sharper radar imagery, improved target separation and high-powered digital signal processing in one, compact radar scanner. The 24" high-definition radar has a 48NM range giving you clear, focused radar images. The antenna’s 3.6° 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. Dimensions: 24" dia. x 9.5"H. Transmit power: 4 kW. Maximum range: 48nm. Beam width: 3.6° horizontal, 25° vertical