ais model

AIS stands for Automatic Identification System, which is an automatic communication system used between ships and coast stations. It provides dynamic, static, and navigation-related information about the vessels. AIS is divided into two types: Class A and Class B. Class A is applicable to ships navigating internationally and other vessels required to comply with the SOLAS (Safety of Life at Sea) Convention. Class B is suitable for non-SOLAS vessels such as fishing boats and yachts. Depending on different communication protocols and performance requirements, AIS can be further divided into various models.

Class A AIS:

The output power of Class A AIS is 12.5W, with a communication range typically between 20-30 nautical miles.

For example, the Nikon M1555 model AIS features a high-resolution color LCD display that can show dynamic, static, and navigational information of the ship, as well as the position, course, and speed of surrounding vessels.

It can also be integrated with electronic chart systems and radar systems to provide more comprehensive navigational information.

Class B AIS:

The output power of Class B AIS is 2W, with a communication range usually between 5-10 nautical miles.

Take the JRC M1505 model AIS, for instance, which employs self-organizing time-division multiple access (SOTDMA) communication.

It can communicate bidirectionally with both Class A and Class B AIS and also communicate with satellite AIS to enhance maritime safety and efficiency.

Its compact design saves space and weight and allows for remote control and monitoring through a network interface, increasing convenience and flexibility in navigation.

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