McMurdo Smartfind S20 Personal AIS MOB Beacon

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The McMurdo Smartfind S20 personal AIS MOB Beacon is worn on a lifejacket and activated by sliding off the safety tab and lifting an arming cap to deploy the antenna. 

  • An automatic option is available when installed professionally on certain inflatable lifejackets
  • Sends alert message, GPS position to AIS receivers
  • 4 mile range
  • Flashing LED Light
  • GPS updates every 60 seconds
  • waterproof to 15 feet
  • transmits at least 24 hours
  • 7 year battery life




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