em-trak — equipment and support

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Start with the AIS role and class required by your application. Then compare the listed em-trak part numbers and available interfaces.

B900 versions at a glance

B921: standard version. B922: Wi-Fi and Bluetooth. B923: VHF antenna splitter. B924: Wi-Fi, Bluetooth and splitter. All four are 2 W CSTDMA Class B models. R300 is an AIS receiver only.

What you will find in the catalogue

AIS systems and information for individual versions.

Communications ↗

Safety at sea ↗

Before choosing a part number

Describe the vessel type, existing equipment and where AIS information should appear. Antennas, power and connections are considered together.

Compare products and organise your enquiry

Open the exact product page for its description, images and recorded specifications. Add the part numbers that interest you to your list and send details of the existing installation. Archived references are retained to identify and support older equipment.