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 Alerting Units SMRS-LR Man Overoard Alert SMRS-LD Lost Diver SMRS-MS Submariner SMRS-IS Industrial
 Base Units SARfinder 1003 (Fixed) CrewFinder RT-202 / 300 / 500 (Fixed) CrewGuard 121 (Portable)

BASE UNIT
Sea Marshall® CrewGuard
CG-121 MKII - $658

BASE UNIT
Crewguard CG-121 MKII
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(NOTE: the Crewguard is not a Radio Directional Finder, it is a Man Over Board Alarm Only)

Man Over Board Alarm only with optional Autodialler and External Antenna for remote unmanned installations. Continuously Monitors for a signal from a Sea Marshall® Alerting Unit and raises the Alarm when a signal is picked up.

Features

  • Receives emergency beacon signal on 121.5MHz. (The Internationally recognised SAR Homing Frequency) 
  • Includes second receiving channel 121.65MHz
  • Splash-proof (IP65 Waterproofing)
  • Visual LED signal strength indicator 
  • Receiver is able to distinguish Sea Marshall® Alerting Unit 121.5MHz signal transmission. The Crewguard has an Alerting Unit (PLB) coding facility, this means that the unit will only respond to a transmission from a Sea Marshall® Alerting Unit. 
  • Relay for connection to a number of external devices such as; Autodialler for SOS message to be relayed to control centre for operatives working on remote areas …jetties, windfarms, harbours, fishfarms etc. also connection for …GPS; Autohelm; External Loudspeaker; Engine Cut Off facility etc.
Sea Marshall® CG-121 MKII
 
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PDF Operator's Manual


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The Crewguard Man Over Board Alarm can be connected to an optional (EXTERNAL ANTENNA) and (AUTODIALLER) to vastly Increase the operating range of the system and provide Man Over Board Alert cover for crews working over large remote and often unmanned areas such as Marinas, Harbours/Ports, Jetties, Fishfarms, Windfarms etc. 

Code Facility - Which means it will only respond to a signal from a Sea Marshall® Alerting Unit, an external rede relay for connection to external devices, Clear Functional Display

The CG-121 MKII Man Over Board Alarm monitors workers wearing Sea Marshall® Man Over Board Alerting Units (Personal Locator Beacons) and raises the alarm when a signal is received from the Alerting Unit of person who has fallen over board.

Range Distances for signal from
Sea Marshall® Alerting Unit

Disclaimer: Sea Marshall® Alerting Units/MSLDs are an ‘Aid to rescue only’, they do not guarantee your safety. The Sea Marshall® MSLDs will dramatically increase the chances of detection and location of a Man Over Board. Personal safety remains at all times the sole responsibility of the individual. It is the responsibility of the individual to inform their local Coast Guard, their senior personnel/crew members and or family of their intended location/destination and estimated duration of journey. It is also the responsibility of the individual to notify these people of the type of safety equipment they will be carrying. In the case of accidental activation the user should de-activate the unit and notify the appropriate Search And Rescue Authority.