Lowrance Link-6S Marine DSC VHF Radio w/ Built-In GPS - 000-14493-001Lowrance Link 6S Marine DSC VHF Radio w Built In GPS Intuitive Controls A rotary channel dial facilitates quick channel selection, while large and amply spaced buttons provide quick access to all key functions. Dedicated Channel 16 keys enable instant access to the emergency channel and are included on both the radios front panel and its four button fist mic. Class D DSC Approved Class D DSC compliant for automated distress calling, including position