The CAS-1103, consisting of the AMT-1103 transponder and the MKD-1103 display unit, is a class A AIS station complying with international standards (ITU-R M.1371 and IEC 61993-2). The CAS-1103 can operate with other AIS Class A and B commercial stations as well as other types of AIS stations such as Base Stations, Aids to Navigation (AtoN), aircraft and Search And Rescue (SAR) transmitters.