ACR EPIRB1 PRO Application


Emergency Position Indicating Radio Beacon commonly abbreviated namely EPIRB is a device to alert search and rescue services (SAR) in case of an emergency out at sea. One of EPIRB type that is often used on ships is the EPIRB1 PRO type. It is tracking equipment that transmits a signal on a specified band to locate a lifeboat, life raft, ship or people in distress.


The SafeSea EPIRB1 Pro operates in the 406MHz satellite band. This band comprises the international distress frequencies that are constantly monitored by Cospas-Sarsat, the international search, and rescue satellite operators, ensuring a rapid response when a signal is received, no matter where it is in the world.


More Information

As the world’s most compact Emergency Position Indicating Radio Beacon, the EPIRB1 Pro pairs its compact stature with a durable design, making it a practical option to meet the needs of all commercial, fishing, and leisure vessels. The product has been designed for maximum efficiency and boasts a 10 year battery life in addition to superb operating life when activated, keeping rescue services updated with your location for longer.

This EPIRB is fitted with a 121.5MHz homing beacon used by rescue services for close-in location of vessels in distress. In addition, the EPIRB is fitted with a high brightness LED strobe light for additional impact, especially at night. For emergency situations where a user is not physically able to reach the EPIRB in time, The EPIRB1 Pro also comes complete with a Category I Automatic Release Housing (commonly referred to as ‘float free’). This ensures that the EPIRB is automatically deployed from the bracket by the internal Hydrostatic Release Unit, and then also automatically activates and floats to the surface to send your distress message to the satellite network.

The Automatic Release Housing (ARH) also includes a convenient adapter providing multiple retrofit options. Use the adapter to easily mount the ARH using the same mounting holes that were previously used for older and larger EPIRBS such as the Ocean Signal E100/E100G, Jotron Tron 60s, and McMurdo E5/G5.

Features and Benefits :

  • Complies with MED (2014/90/EU)
  • 406 MHz (link via satellite to emergency services)
  • 121.5 MHz Homing Signal (to aid final locating by search & rescue)
  • High Intensity Strobe
  • 30% (typ) Smaller
  • 10 year Battery Life
  • 2 Year Warranty
  • 66 Channel GPS (fact accurate positioning)


Limited Warranty

Your Ocean Signal EPIRB1 is warranted against manufacturing defects in materials and workmanship for a period of two years from the date of purchase and in accordance with the following conditions. Ocean Signal will at its discretion, repair or replace faulty product free of charge excluding the cost of shipping. Proof of purchase shall be required in order for a warranty claim to be valid from the original purchaser. All claims shall be made in writing to Ocean Signal or an approved service dealer.


Ocean Signal shall not be liable to the buyer under the above warranty :

  • For any repairs or modifications carried out on the EPIRB using parts that are not supplied or approved by the manufacture Ocean Signal including batteries and for work carried out other than by Ocean Signal or approved service dealers.
  • For any part, material or accessory that is not manufactured by Ocean Signal the consumer will be covered by the guarantee / warranty offered to Ocean Signal by the manufacturer or supplier,
  • For product which has not been fully paid for.
  • For any product supplied by Ocean Signal to a customer under an alternative warranty agreement.
  • For the cost of shipping product to and from the customer.

The Battery is only warranted until the date of expiry and provided the unit is tested in accordance with the information in the user manual. This warranty does not apply to a used battery as indicated by the self test.

The following specific items are excluded from this warranty :

  • Lift up flap and associated mechanism.
  • Antenna.

This warranty does not affect your statutory rights.

This warranty is to be interpreted under English law. For further assistance please contact our Technical Service Department. Email:


NameEPIRB1 Pro
Product DescriptionCategory I GPS EPIRB
Part Number702S-03401
Satellite Transmission406.040 MHz (5W nominal)
Homing Transmission121.5 MHz (50mW nominal)
Size (no antenna)7.0” x 3.5” x 3.9” (178mm x 89mm x 100mm)
Weight (Beacon)0.91 lbs (420g)
Weight (Beacon and Housing)2.8 lbs (1.25 kg)
GPSInternal GPS (66 Channel)
StrobeLED Strobe
BatteryClass 2 (non-hazmat) lithium battery (LiMnO2)
Battery Replacement Interval10 Years
DeploymentCategory I – Hydrostatic Release (automatic deployment)
ActivationAutomatic when out of bracket and wet or manual when in or out of bracket.
Waterproof33 ft (10 m) for 1 hour
Operational Life48 Hours minimum @ -4°F (-20°C)
Operating Temp.-4°F to +131°F (-20°C to +55°C) (Class 2)
Storage Temp.-22°F to + 158°F (-30°C to +70°C) (Class 2)
Limited Warranty2 Years
AccessoriesCategory I Automatic Release Housing (ARH)
Automatic Release Housing Release Depth13 ft. (4m) Maximum
Automatic Release Housing Dimensions9.3” x 7.5” x 4.8” (237mm x 191mm x 121mm)
ApprovalsMED & Cospas-Sarsat




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