MR45 D Fixed Mount Class D Submersible VHF Radio MR F45 DClass D DSC Updated to the latest in Class D Digital Selective Calling DSC TechnologySubmersible Designed to JIS7 standards Noise cancelling microphone Blocks background noise for clearer conversations All NOAA weather channels Instant access to national All Hazards and weather information, 24 hours a day 25 Watt VHF Full power VHF radio for maxiumum range