The Amec MANDO-301/-303 is an AtoN (Aid to Navigation) AIS transmitter and transmits the position of a fixed or a floating AtoN (eg Buoy, Lighthouse etc).
The Mando series transmits accurate and real time information from fixed or floating AtoN to nearby vessels and shore stations equipped with AIS systems. MANDO-301 is a type 1, and MANDO-303 is a type 3 model.
The Mando series also has the ability to transmit meteorological and hydrological data with the correct additional sensors installed.
The Mando-303 has the ability to chain several units to extend transmission range and cover a wider area, which is approved by the BSH.