This Class D ATIS/DSC built-in marine radio by Cobra has a Rewind-Say-Again™ function. It can be connected to an external speaker so that you can hear everything both in the cockpit and below deck. The programmable keys make the radio easy to use. RadioCheck checks the on-board voltage and transmission power when sending. The radio comes with a mounting bracket. Screw thread: M14 x 1.5. Sleeve: 8 mm. Weight: 0.7 kg. Dimensions: 20.7 x 8.5 x 8.5 cm.