SKU: 57132830319

Ocean Signal Safesea Epirb3 Cat I With Ais And Rls

Sale price$470.23 Regular price$522.48
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Description

Ocean Signal Safesea Epirb3 Cat I With Ais And RlsOcean Signal SafeSea EPIRB3 Pro Cat I EPIRB Model: 702S 03933 The new Ocean Signal EPIRB3 Pro is a full featured 406 MHz global rescue beacon that comes with an auto release float free bracket and packs a host of features into a compact modern design which includes AIS technology. AIS provides local rescuers precise and reliable information on the current beacon position, thereby speeding rescue operations. Additionally, Return Link Service (RLS)

Ocean Signal SafeSea EPIRB3 Pro Cat I EPIRB

Model: 702S-03933

The new Ocean Signal EPIRB3 Pro is a full featured 406 MHz global rescue beacon that comes with an auto release float free bracket and packs a host of features into a compact modern design which includes AIS technology. AIS provides local rescuers precise and reliable information on the current beacon position, thereby speeding rescue operations. Additionally, Return Link Service (RLS) comforts those who activate the beacon by confirming that their distress message has been received. The inclusion of Near Field Communication (NFC) capability allows use of a smartphone app to monitor the EPIRB’s battery and other functions ensuring it is working properly. With its slim design and advanced features, the EPIRB3 Pro is ideal for a variety of mariners whether they are cruising the med, heading out through the straights for a passage, fishing, working, or sailing offshore.

ACR’s new EPIRB3 Pro (Emergency Positioning Radio Beacon) increases reliability and eases rescue operations with new advanced features. This new EPIRB transmits a digital mayday on 406 MHz notifying rescuers globally via satellite and broadcasts Automatic Identification System (AIS) VHF signals locally to help rescuers find the beacon faster. Once activated the EPIRB3 Pro transmits an emergency signal to the global Cospas-Sarsat satellite rescue system, and simultaneously sends out an AIS alert on VHF frequencies which can be seen immediately by any nearby vessel equipped with AIS. Return Link Service (RLS) provides visual confirmation to the user that their distress message has been received. The combination of AIS, a 121.5 MHz homing signal, and visible and infrared strobe lights speed recovery times by allowing rescuers to pinpoint the beacon location, even if it has drifted, regardless of the time of day or night. Near Field Communication (NFC) is a great new feature that allows users to monitor the EPIRB3 Pro using a free mobile smartphone App, ensuring that the battery has sufficient power and the beacon is functioning properly before heading out.

Advanced marine safety and rescue technology from Ocean Signal in the new EPIRB3 Pro with AIS combines innovative new features into a compact, ergonomically designed case that is ideal for all types and sizes of recreational and commercial vessels.

The EPIRB3 Pro uses the GNSS (GPS, Galileo, Glonass) positioning networks to derive its location globally. When the beacon is triggered a 406 MHz distress transmission relays this GPS EPIRB (GPIRB) position, accurate to within 100 meters, to the worldwide Cospas-Sarsat search and rescue satellite network. Ground stations connected to the satellite system receive EPIRB identification and position of deployment information so rescue operations can be coordinated and initiated. With advanced AIS technology now incorporated into the EPIRB, directly upon activation the beacon starts transmitting AIS signals so that nearby AIS equipped vessels are instantly notified of the distress situation and are provided the beacon location. AIS equipped vessels within VHF range will see a safety message on their screens that includes the MMSI vessel identification. Local vessels can start rescue and recovery operations immediately, potentially speeding recovery times and saving lives. Since an AIS target is presented on the onboard display of any nearby AIS equipped vessel, they can easily navigate directly to the EPIRB by selecting the AIS target. Even when no local vessels are available, AIS will speed recovery times by allowing maritime SAR operators to pinpoint the EPIRB’s location as they approach. The combination of Global satellite distress calling, precise GPIRB location transmission and local AIS safety messaging will greatly improve recovery time and success.

Beacon users can now check their EPIRB by connecting their smartphone to it with NFC (Near Field Communication). This technology connects a smartphone placed adjacent to the EPIRB3 by launching the free Ocean Signal Product App automatically. Full diagnostics are available in the app showing the user the current battery life, number of self-tests completed, number of GNSS tests completed, and how long the EPIRB has been activated. Detailed information including a map view that shows where a GNSS test was performed, the date and time of the test, the time it took the EPIRB to get a fix on the GNSS coordinates, number of satellites used to obtain that fix, and the accuracy of the fix are all conveniently displayed. Ocean Signal’s free Mobile App and NFC functionality provide users all the information they need to confirm their EPIRB is fully functioning and ready for deployment in case of an emergency.

EPIRBs are deployed in times of distress and rescue operations can take time especially if the vessel in distress is far offshore. The EPIRB3 Pro is equipped with Return Link Service that notifies users that the beacon distress signal has been delivered. The RLS signal is sent back through the Galileo satellite network to confirm that the distress message along with the precise EPIRB location and identifiers have been received. A simple flashing blue light tells users that the EPIRB has successfully connected through the satellite network and rescuers will be notified. Knowing that the digital mayday has been successfully communicated along with the EPIRB identification and beacon location helps those in distress remain calm while awaiting rescue operations.

The EPIRB3 Pro comes complete with a Category one auto release float free mounting bracket. This bracket securely stores the EPIRB3 Pro for the duration of your trip regardless of the conditions experienced throughout. It also provides the best chance of deployment in distress situations where it is difficult for a crew member to reach the EPIRB.

ACR uses advanced technology and quality manufacturing processes to develop and produce quality electronic rescue devices and other life-saving products. The new EPIRB3 Pro with its contoured profile is equally suited for both sail and powerboats. Both recreational and commercial users can be assured that the features in this new EPIRB provide the highest chance of an efficient and successful rescue no matter where they go. A host of high-tech features in the EPIRB3 Pro combine with a unique design that allow it to be used effectively on all types of vessels whether working or playing near shore, offshore, or crossing the globe.

Specifications
Output Power (406/121.5) 406.040 MHz, 5W (nominal) / 121.5 MHz, 50mW (nominal)
AIS Automatic Identification System (AIS) Alert for Local Rescue
RLS Return Link Service (RLS) confirmation direct to beacon
NFC / Mobile App Near Field Communication (NFC) and Mobile App Included
Strobe White & Infrared
Size (antenna not deployed) — Beacon Only 6.8 x 3.6 x 3.1"
Battery Lithium battery, Li/FeS2
Battery Replacement 10-year replaceable battery (replace 10 years after the date of manufacture or after activation)
Temperature Range (Class 2) Storage: -22°F to +158°F (-30°C to +70°C)
Operating: -4°F to +131°F (-20°C to +55°C)
GPS 72 Channel Multi-constellation receiver (GPS, Galileo, & Glonass GNSS)
Activation Out of bracket and wet, or manually in or out of the bracket (Class 3 — manual activation only — no water activation)
Waterproof 33 ft (10 m) for 5 min.
Buoyant Yes
Operational Life 48 hours minimum @ -4°F (-20°C)
Deployment Category I — Auto Release
Approvals Cospas-Sarsat, FCC, MED, MER, ACMA
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 57132830319

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4.0 ★★★★★
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Tiffani
Omaha, US
★★★★★ 5
Best magnesium from the best supplement brand.
Thorne can do no wrong in my book. They just can’t. I take magnesium every night. Usually magnesium glycinate. However, I read that that can start to cause night sweats over overtime. So moving decent was kind of a trial to see if that stopped the issue. It did immediately. The bonus of the powder though is that I can have it in a little bit of cherry juice or a mocktail before I go to bed. The flavor is great, and I haven’t noticed any grittiness whatsoever. That’s sad, I drink a lot of protein drinks so it’s entirely possible. I’m used to grittiness. Since starting to take this, I’ve been sleeping just as well as I have with the magnesium glycinate. Perhaps even a little bit better because this is higher quality and I’m not getting the night sweats.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
S
Samhain
Whiting, US
★★★★★ 4
Simple Magnesium Powder That Is Easy Enough to Take
I just started taking this Magnesium Citrate powder, so it is too early to know if it will help with things like muscle support, heart health, bone health. Magnesium is an important mineral for the body and it plays a role in muscle function, nerve signaling, and overall balance, so I like the idea of adding it to my routine. The citrus berry flavor is not too horrible, which is a pleasant surprise because some magnesium powders can taste pretty rough. This one is easy enough to drink without feeling like you have to force it down. I also like that it is third party certified and comes with a full sixty servings. I will need more time to see if it makes a noticeable difference, but so far the experience has been simple and the taste is manageable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
I
Inna Tysoe
Cuba, US
★★★★★ 5
2 months supply, tasty berry bubblegum flavor, no morning cramps.
I've been taking Magnesium supplements for a long time, usually in capsule form. Starting from about age 45 I kept getting these awful morning calf cramps. Especially stretching, or on cold morning. The sudden agony was unexpected and concerning. Magnesium is the answer and this water-soluble magnesium from Thorne is no exception. For this particular problem, calf cramps. The results are noticable within a couple of days. If I stop taking magnesium for 3-5 days the cramps come back. Thorne powder has a berry flavor that is very similar to bubble gum. It dissolves easily without leaving any lumps. Is great to help you take your other supplements. I've been taking this for about 3 weeks with no cramps. Price is a little higher than capsules typically are. This works for me and the tub should last two-months if you follow the directions.
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Reviewed in the United States on May 25, 2026
M
Michelle Pepe
Natrona Heights, US
★★★★★ 5
Easy Way to Add Magnesium Support
Magnesium is one of those supplements many people find helpful as part of their wellness routine. The powder format makes it easy to adjust serving sizes and mix into drinks. One thing I liked was the citrus berry flavor, which made it more pleasant than many unflavored supplements. Overall, a convenient magnesium option from a well-known brand
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Reviewed in the United States on June 3, 2026
Z
Zach
San Leandro, US
★★★★★ 5
Great Taste and Mixes in Water Well
I’ve been using this magnesium citrate powder for a little while now, and overall it’s been a positive experience. One of the standout aspects is how well it mixes. It dissolves easily in water with minimal residue, which makes it much more convenient compared to some other powdered supplements I’ve tried. The citrus berry flavor is also quite good: light, slightly sweet, and easy to drink without being overpowering. The powder format makes it simple to adjust how you take it (more or less water, etc.), and I didn’t notice any strong aftertaste. From a general usability standpoint, this checks the boxes I look for in a supplement: good taste, easy mixing, and consistent quality. Thorne also has a strong reputation, and this product feels in line with that in terms of formulation and overall experience. As with any supplement, individual experiences can vary, but from a taste, mixability, and convenience perspective, this has worked well for me. Overall, this is a solid option if you’re looking for a magnesium citrate powder that’s easy to take on a regular basis.
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Reviewed in the United States on April 30, 2026

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