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JOTRON Tron SA-20 PLB Emergency Device / with RLS function

SVB item number: 31289 Manufacturer no.: 104500
View Ratings (2) Questions (5)
Made in Europe
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Used on a Chantiers Amel Amel Santorin
Used on a Oceanis Clipper 36 CC
Is in 13 shopping baskets right now, grab yours now!
Has been sold 3 times in the last 7 days
Jotron's Tron SA20 PLB is a personal locator beacon with global emergency alert coverage. Thanks to its rugged and compact design the distress transmitter is ideal for carrying with you at all times. The Tron SA20 PLB is also one of the smallest 406 MHz rescue devices on the market. Product details
Recommended retail price: €395.08
only  €319.95
-19%
You save: €75.13
Shipping information: Dangerous goods
Programming is required to purchase this item. Please add programming!
Would you like to customise your programming?
available | in stock
pcs.
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About the boat
MMSI *
 MMSI number invalid
Call sign *
 3–7 characters (A–Z, 0–9)
Boat name *
 Please fill out correctly
About the owner
Name *
 No numbers or special characters (except “-”, “.” and “”') allowed
Street name and house number *
 No numbers or special characters (except “-”, “.”, “,”, “/”) allowed
Postal code and city *
 No numbers or special characters (except “-”, “.”, “,”, “/”) allowed
Country *
1. Phone number *
 International format, e.g. +49572900
2. Phone number
 International format, e.g. +49572900
E-mail *
 Please fill out correctly
Emergency contacts
First emergency contact
Name *
 No numbers or special characters (except “-”, “.” and “”') allowed
1. Phone number *
 International format, e.g. +49572900
2. Phone number
 International format, e.g. +49572900
Second emergency contact
Name *
 No numbers or special characters (except “-”, “.” and “”') allowed
1. Phone number *
 International format, e.g. +49572900
2. Phone number
 International format, e.g. +49572900

Fields marked with * are mandatory

VAT inc., ex-works
Customised products approx. 2-5 working days
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At a glance!

Trigger: Manual
Trigger: Manual
GPS
GPS
by Antonio Z.
Many thanks to SVB and Jotron. This beacon is a must-have. I'd like to share my experience with this personal beacon. It's a high-tech product. Lightweight, with an extremely long battery life (until 2035), satellite communication, and although it's not considered a 100% EPIRB due to regulations, it perfectly performs what you would expect from an EPIRB, and in any environment (marine or otherwise), with worldwide coverage. The problem arose with registration. Europe is a bureaucratic maze that complicates the registration of survival beacons. Specifically, I bought it unregistered out of ignorance, only to discover that the cost can skyrocket. I even spoke with the very helpful Jotron technicians, who acknowledged the problem. For potential future buyers (I highly recommend this product), I suggest ordering them programmed for the UK and then registering them yourself with your personal information on the UK website for beacons. Easy and free. As far as I know, other European countries are a mess of non-free registration entities and require specialized personnel to handle the process. The UK is simple, free, and accepts beacon registrations for non-residents. I must thank SVB for their enormous help in registering the beacon and their attention in finally getting everything working. And of course, thanks to Jotron. For the price of this technology and the battery life, it's a must-have for adventurers and sailors.
Read all product reviews
by Uwe F.
Read all product reviews

Product data

  • SVB item number 31289
  • Manufacturer no. 104500
  • Description JOTRON - Tron SA20 PLB
  • Trigger Manual
  • Transmitting time 24 h
  • Tx power 5 W
  • Frequencies 406 / 121.5 MHz
  • Battery Life 11 Years
  • Change battery yourself No
  • GPS Yes
  • RLS Yes
  • AIS Support No
  • Float-free mount No
  • Weight 150 g
  • MMSI number input By seller
  • Programmable Yes
  • Hedging target A person gets into distress (e.g. overboard)
  • Emergency receiver Rescue coordination center
  • Worldwide alerting Yes
  • Signal transmission Satellite
  • Shipping information Dangerous goods

Product details

Notes on programming:

This PLB must be programmed with your personal data before dispatch. The appliance will not function without prior programming.

The programming of this data must be carried out by us, you cannot do this yourself.

As a rule, we program a PLB so that it can be used as an EPIRB. This means that the device is programmed and registered to a vessel and not a person. To do this, we need your personal data such as MMSI, boat name and call sign.

Please add the above-mentioned programming accordingly and complete the form in full.

If you require programming for a specific person, we can also do this for you.

The registration of the device to the respective country code must, in any case, be carried out by us.

Please let us know in which country you would like to register the device. Since there are no authorities for PLB emergency beacons in Germany, you can, for example, find information about the further procedure on the website of the English authorities ( https://www.gov.uk/register-406-beacons ) In addition, the registration of the PLB should be carried out on the website of the IBRD (International Beacon Registration Database) ( https://www.406registration.com/ ). We would also like to point out that, in accordance with the regulations of the respective country, you must register the EPIRB personally as the licence holder with the competent authority.
Jotron's Tron SA20 PLB is a personal locator beacon with global emergency alert coverage. Thanks to its rugged and compact design the distress transmitter is ideal for carrying with you at all times. The Tron SA20 PLB is also one of the smallest 406 MHz rescue devices on the market.

RLS function
The RLS (Return Link Service) function is a two-way communication type between your EPRIB and the rescue centre. The RLS system gives you the peace of mind that your distress message, which was sent via the EPIRB frequency, has been received by the rescue coordination center. As soon as your distress message is received by the responsible authority, the RLS LED on the Tron SA20 lights up. The RLS signal is sent via the Galileo satellite network from the rescue control centre back to the EPIRB, which triggered the distress message. This confirmation that rescuers are aware that an EPIRB has been activated and know its location helps reduce the stress associated with accident situations.
Jotrun-RLS
Wireless NFC interface
Using the NFC wireless connection*, you can access activity history, battery status and programming information of the Tron SA20 via your smartphone (iOS and Android).
* Note: Only possible with an NFC (Near Field Communication) compatible smartphone.

Note
Please note that we only deliver the Jotron Tron SA-20 programmed as an EPIRB.

Characteristics:
  • 11 years battery life
  • 406/121.5 MHz
  • Return Link Service (RLS)
  • GNSS (GPS, Galileo and Glonass)
  • LED and IR LED flash
  • NFC and mobile app connectivity

Technical data
Dimensions (H x W x D): 90 x 65 x 30 (mm)
Weight: 150 g (without accessories)
Battery life in years 11 years
Transmit time: > 24 hours
Activation: Manual one-handed activation
NFC interface: Yes, for reading out status information
Operating temperature range: -20 °C to + 55 °C
Storage temperature range: -30 °C to + 70 °C
Certification: Eurpean RED, CE and FCC

Delivery contents

  • Jotron Tron SA20 PLB
  • Singal mirror
  • Carrying strap with tether
  • Soft case
  • Quick instructions

Documents

en-flag Brochure
PDF (422,95 KB)
en-flag Certificate
PDF (83,60 KB)
en-flag Certificate
PDF (192,35 KB)
en-flag Certificate
PDF (150,46 KB)
en-flag Certificate
PDF (150,43 KB)
en-flag Certificate
PDF (150,43 KB)
en-flag Certificate
PDF (244,74 KB)
en-flag Certificate
PDF (167,78 KB)
en-flag Manual
PDF (1,57 MB)
en-flag Safety datasheet
PDF (184,14 KB)
en-flag Short manual
PDF (492,64 KB)

Product safety

UN number
UN 3091
Transport class
9
Contacts

What other SVB customers have to say

100% real reviews

2 customer reviews

5 (out of 2 ratings)
5 Stars
(2)
4 Stars
(0)
3 Stars
(0)
2 Stars
(0)
1 Stars
(0)
100% recommend SVB
All reviews Helpful reviews Latest ratings 5
Uwe F.
by Uwe F. Flag of Germany 5/9/2026 in use on a Bénéteau - Oceanis Clipper 36 CC
This item was rated via MyBoat on Bénéteau - Oceanis Clipper 36 CC.
Antonio Z.
by Antonio Z. Flag of Spain 1/28/2026 Verified purchase in use on a Chantiers Amel - Amel Santorin
Translated automatically
Show original text
Many thanks to SVB and Jotron. This beacon is a must-have.
I'd like to share my experience with this personal beacon.

It's a high-tech product. Lightweight, with an extremely long battery life (until 2035), satellite communication, and although it's not considered a 100% EPIRB due to regulations, it perfectly performs what you would expect from an EPIRB, and in any environment (marine or otherwise), with worldwide coverage.

The problem arose with registration.
Europe is a bureaucratic maze that complicates the registration of survival beacons. Specifically, I bought it unregistered out of ignorance, only to discover that the cost can skyrocket. I even spoke with the very helpful Jotron technicians, who acknowledged the problem. For potential future buyers (I highly recommend this product), I suggest ordering them programmed for the UK and then registering them yourself with your personal information on the UK website for beacons. Easy and free. As far as I know, other European countries are a mess of non-free registration entities and require specialized personnel to handle the process. The UK is simple, free, and accepts beacon registrations for non-residents. I must thank SVB for their enormous help in registering the beacon and their attention in finally getting everything working. And of course, thanks to Jotron. For the price of this technology and the battery life, it's a must-have for adventurers and sailors.
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Customers ask customers

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English (2) Deutsch (1) Español (1) Italiano (1)
Technical question
Ilko G. | Jan 11, 2026 Flag of English
User image of Ilko G.

Is this product waterproof?

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Technical question
Mikelis Ieva A. | May 11, 2026 Flag of English
User image of Mikelis Ieva A.

Can the PLB be programed with a Latvian HEX ID because on non of the drop down menues ofer to program with Latvian HEX ID???

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Did you know?

Image of Man overboard! Hugo “The Sailing Frenchman” takes no chances when it comes to safety!
Man overboard! Hugo “The Sailing Frenchman” takes no chances when it comes to safety!
Hugo Picard, "The Sailing Frenchman", is a skipper travelling the world's oceans. As an accomplished sailor with years of experience, he is also aware of the dangers that lurk at sea. In his video, he explains which maritime rescue systems he uses, how they work and why it's better to have double protection at sea. We hope you enjoy the video!
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JOTRON Tron SA-20 PLB Emergency Device / with RLS function
View Ratings (2) Questions (5)
€319.95
VAT inc., ex-works