The AMEC TB-520 is a Man Overboard Beacon using AIS technology. It greatly enhances the chance of MOB retrieval by alerting nearby vessels equipped with AIS.

In emergency situations, the beacon can be activated either automatically by water sensor or manually and send out alert messages, GPS position information and a unique ID. Its high performance GPS receiver enables the beacon quickly obtaining GPS coordinates.

Built with state-of-the-art technology, TB-520 is small and lightweight, easy to use and totally reliable to keep your journey safe and sound.


 IEC 60945 EN 303098- 1 V1.2.1
 IEC 61108-1 EN 303098- 2 V1.2.1


 Receiving Channels 50
 Frequency L1, 1575.42 MHz
 Tracking Sensitivity (-)159 dBm
 Reacquisition (-)159 dBm
 Position Update Every minute
 Position Accuracy ? 2.0 m SBAS
 ? 2.5 m Autonomous


 Frequency AIS 1, 161.975MHz; AIS 2, 162.025 MHz
 Data Rate 9,600bps
 Tx Power 2W (1W EIRP)
 Bandwidth 25 KHz
 Modulation GMSK
 Range 4nm typical with receiver antenna > 5m above sea level
 AIS Message Type Message 1 (UID, GPS position, SOG, COG)
 Message 14 (MOB ACTIVE or MOB TEST)


 Operating Temperature -20°C~55°C
 Storage Temperature -30°C~70°C
 Waterproof IP68
 Immersion Depth (optional) 50m
 Compass Safe Distance 0.8m
 Explosion Proof (optional) Ex e m II T6 X


 Model No. TB-520
 Size 129x52x40mm (L*W*D)
 Weight 170 g (main unit only)


 Type Primary Lithium (not rechargeable)
 Operating Time 48 hours at -10°C, typical
 Storage (battery life) 5 years, replacement due after emergency use


 Manual activating or automatic activating with water sensor by immersion

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AIS MOB Beacon AMEC TB-520

  • Brand: AMEC
  • Product Code: TB-520
  • Availability: Pre-Order

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