Nautilus Lifeline Marine Rescue GPS Specifications AIS Transmit Power - 1 watt AIS Frequency - 161.975 and 162.025 MHz DSC Transmit Power - 0.5watt DSC Frequency - 156.525 MHz Messages - Individual Distress Relay, Distress Alert Enviromental Temp range - -25c - +55c Waterproof Depth - 425 feet (130m) sea water Dimensions - 2.9 x 3.8 x 1.5inch (75 x 97 x 39mm) Weight - 4.6 oz(131g) including batteries

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