Active noise cancelling handheld with Class D DSC & GPS. IPX7 waterproof. 5W of power and a long lasting battery. Active noise cancelling feature quiets background noise by up to 90 percent on both outgoing and incoming calls. Compliant w/USCG Class D DSC regulations. Equipped with software features such as a digital compass, navigation functions and waypoints plus a 48 channel internal GPS. Shares user interface with M424 and CommandMic 4 (HM-195). Keep the water out of your grill with AquaQuake & find your radio every time w/Float 'n Flash technology.