Frequency Band: VHF; Minimum Frequency: 156.03 MHz; Maximum Frequency: 163.28 MHz. Number of Weather Radio Channels: 10; Instant Channels: 16/9/Tri; Output Power: 25 W Selectable. Digital Selective Calling: Yes Class D; Alert Technology: Specific Area Message Encoding (SAME). Application/Usage: Marine; Features: Submersible. « less