McMurdo G8 SmartFind EPIRB (Manual Release Unit)
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McMurdo G8 SmartFind EPIRB (Manual Release Unit)


SmartFind G8 EPIRB from McMurdo requires manual deployment by removal of the activation brackets, to alert search and rescue services. It offers precise location pinpointing to the authorities in the event of an emergency at sea by drawing from multiple GPS satellite networks and sending to rescue co-ordination centres.

McMurdo G8 SmartFind EPIRB (Manual Release Unit)
$645.00 (Inc. VAT)

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SmartFind G8 EPIRB is a Category 2 EPIRB meaning that once manually removed from it's bracket, the device will alert authorities that rescue is required.  The G8 EPIRB gives greater location accuracy by receiving GNSS coordinates from multiple satellite constellations.

When the SmartFind G8 is activated it transmits a coded message on the 406 MHz distress frequency which is monitored by the Cospas-Sarsat satellite system. The alert is then relayed via an earth station to the nearest Rescue Coordination Centre (RCC). With an EPIRB you can summon help wherever you are on the planet, subscription free, no matter how remote!

SmartFind G8 comes with a manual release bracket and features a self-test feature to give you peace of mind before setting off that your EPIRB is working. The 10 year battery life provides a long term solution and excellent value for money.

Key Features of McMurdo G8 SmartFind EPIRB

  • 406/121.5MHz GPS EPIRB
  • International approval
  • High brightness flashing LED strobe light
  • Minimum 48hr continuous operation
  • 10 year battery storage life
  • Comprehensive self test facility with battery use indicator
  • Manual release bracket
  • 5 year warranty

Registering your EPIRB is required by law in most countries. Registering is very important because should your beacon ever be activated, it is how Search and Rescue Teams will know who you are, and contacts provided may be able to supply information about your specific travel plans. In the absence of this information, it may take longer for a search-and-rescue operation to begin.

Some national authorities require a completed registration application form to be submitted by letter or fax, others offer an online registration. For more information, visit the emergency beacon registration database IBRD at and also The addresses of the national authorities are listed on these sites.

All Personal Locator Beacons sold by OSAT are pre-programmed with the US (366) country code. Whilst they will function anywhere around the world, the first authority to be contacted in an emergency situation would be the US Coastguard Agency with whom the PLB would be registered. Please contact us if you wish to have your PLB shipped with configuration for use in a country other than US or have a specific MMSI that should be programmed onto the device.

This EPIRB should only be used in situations of grave and imminent danger to life. False alerts endanger lives and cause expensive disruption to Search & Rescue services. Deliberate misuse of the device could result in a penalty.

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General Specification
Dimensions 42.3 x 10.4 x 10.3 cm
Weight 710g
Operating Temperature -20°C to +55°C (-4° F to +131° F)
Storage Temperature -30°C to +70°C (-22° F to +158° F)
Automatic Release Depth 4 metres max. (13 feet)
Battery Specification
Type Lithium iron disulphide
Operating Life 48 hours minimum
Shelf Life (In service life) 10 years typical in service (recommended health check every 5 years)
406 MHz Transmitter
Operating Frequency 406.040 MHz + 1 kHz
Power Output  5W typical
Modulation  Phase (16K0GID)
121.5 MHz Homer
Operating Frequency 121.5 MHz +3.5 kHz
Power Output  100 mW radiated typical
Modulation  Swept tone AM (3K20A3X)
Strobe Light
Type 3 high intensity LEDs
Light Output 0.2 cd minimum
Flash Rate 23 flashes per minute
GNSS Receiver
Constellations GPS, GLONASS, Galileo
Frequencies 1575.42 Mhz (GPS, Galileo); 1602.00 Mhz (GLONASS)
Sensitivity -167 dBm minimum
Satellites Tracked 72 channel




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