Alltek Marine – the AIS Specialists

Products
AIS Aids to Navigation

Future-proof AIS AtoN you can rely on

The MANDO & N series are the AIS Aids to Navigation that provides transmission and control for a wide variety of applications. Its ruggedness and reliability make it an excellent solution for remote deployment, including offshore buoy, wind farm, lighthouse, and hydrometeorological stations.

What is the difference between type 1 and type 3 AIS AtoN?

The main difference between type 1 and type 3 AIS AtoN is the used access scheme depending on their hardware configuration.

Characteristic\model	Type 1 (N321 & MANDO-301)	Type 3 (N323 & MANDO-303)
Access scheme	FATDMA	FATDMA/RATDMA
Tx / Rx	Tx only (transmitter)	Tx and Rx (transceiver)
Within base station coverage	Yes	No, which means big deployment flexibility
Power consumption	Ultra-low	Low
Chaining	No	Yes
Remote configure	No	Yes
Repeater	No	Simplex AIS repeater, include repeat AIS SART message.

N323

N323

The N323 is an internationally type-approved AIS AtoN type 3 with the world’s lowest power consumption and a full range of advanced features. It is ideal to operate at any place without the support of AIS base stations.
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N321

N321

The N321 is an internationally type-approved AIS AtoN type 1 with the world’s lowest power consumption and a full range of advanced features. It is ideal to operate with the coverage of a nearby AIS base station.
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MANDO-303

MANDO-303

As AIS AtoN type 3 using the RATDMA+FATDMA access scheme, the MANDO-303 is ideal to operate at any place without the coverage of AIS base stations. It's engineered to be impervious to extreme environments - damp, salt-mist, vibration, temperature etc.
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MANDO-301

MANDO-301

As AIS AtoN type 1 using the FATDMA access scheme, the MANDO-301 is ideal to operate with the support of a nearby AIS base station. It's engineered to be impervious to extreme environments - damp, salt-mist, vibration, temperature etc.
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