Product Categories - Personal Locator Beacons - Sea Marshall AU9-HT
Within 2 - 5 seconds of immersion in water, the Sea Marshall AU9-HT sends a distress signal on 121.5MHz which is then tracked using a sMRT SARfinder base unit.
View the latest Helicopter Transfer PLB, the sMRT AU10-HT with AIS
*Dependent on weather conditions, quality and height of receiving antenna.