NAB-1000 AIS system, which adopts CSTDMA technology, is designed for non-Solas vessles. NAB-1000 contains two TDMA receivers and one TMDA transmitter. NAB-1000 can work on default channels or any other marine channels, remotelly assigned by base stations. NAB-1000 can communicate with other AIS transponders, including shipborne Class A AIS, Class B AIS, AtoN AIS station, AIS base stations. NAB-1000 conforms to the international standards, such as IEC 62287-1, IEC61108-1, IEC 60945, IEC 61162-1, ITU-R M.1371-3, ITU-R M. 825-3.