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OCEAN SIGNAL ATB1 is an AIS transponder Class B SOTDM. With 5W priority transmission up to every 5 seconds, it is a safer option than a standard Class B AIS transponder. Designed as an anti-collision tool, the ATB1 allows you to be seen by other boats and to see other boats in your navigation equipment. Position, speed, course and heading are automatically calculated with the impressive multi-GPS receiver for accurate marine position. With 99 channels of which 33 are trackable, you always have the highest possible accuracy regardless of the boat's position. Other vessel information such as name, call sign, type, size and MMSI number are automatically sent out. All data is easily programmed via Wi-Fi from Ocean Signal's user-friendly app or website. Once the information has been uploaded, it is stored in the unit's memory even if the unit is switched off.
ATB1 receives AIS messages from other AIS-equipped vessels within range, which can then be sent to a chartplotter, computer, mobile or tablet from the ATB1's NMEA 0183, NMEA 2000, USB or wifi output. Thanks to the use of the superior SOTDMA standard, the ATB1 differs from common Class B (CSTDMA) AISs. You get the same priority in the network as a class A device, which guarantees that the broadcast can always be made. The ATB1 sends the reports more frequently and with a higher output than a standard Class B AIS. It sends every 5 seconds instead of every 30 seconds and with 5W instead of 2W. You get a longer range and the position is displayed much more accurately.
A multi-color LED indicator on the ATB1 shows the status of the device. This means that you also see that everything works as it should. ATB1 is compact and with a waterproof design and has low energy consumption. It is easy to install and comes complete with an external GPS antenna. All you need to do is upload the vessel data from a suitable device (computer, tablet or mobile). Within minutes you will start transmitting AIS data.
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