The Raymarine 45STV HD Satellite television Antenna System brings Raymarine performance and quality to on board entertainment. Featuring a stylish and compact dome, the 45STV HD provides uninterrupted satellite television reception in almost any condition. The fully automatic, marine stabilized antenna quickly identifies compatible DVB (Digital Video Broadcast ) satellites, using a unique Wide Range Search (WRS) algorithm. Highly accurate satellite tracking at sea is achieved via the 45STV HD's Dynamic Beam Tilting technology, ensuring a clear picture in the most challenging conditions. 45STV HD Features Enjoy High Definition Programming from DirecTV, beamed to your vessel while at the dock or underway! Dual LNB Design: Watch the weather at the helm while others enjoy the game down below. The 45STV HD's dual LNB design allow support of multiple receivers. Wide Range Search (WRS) Algorithm: Unique high speed search allows for fast identification and acquisition of satellites. Dynamic Beam Tilting (DBT) Technology: Enables the 45STV HD to track signals in the most extreme weather and sea conditions. Compact and Lightweight: With a footprint of only 19.2 inches in diameter and a weighing in at sprightly 31 pounds, the 45STV HD makes underway satellite television reception a reality for vessels of all sizes. HD Antenna Control Unit (ACU) features a LCD display and keypad for manual programming and diagnostics.