All commercial vessels over 300 tons and all passenger vessels are required to have installed an AIS (automatic identification system), which transmits ships name, MMSI number, position, speed and course every few seconds.
Operating frequencies - 162.025 and 161.975 mHz
Supply voltage - 10 to 16 volts DC
Supply current - 43mA
All class A and B AIS Messages relayed
Antenna input - 50 ohm BNC
Data connector - 9 pin 'D' type
Mounting - via two moulded flanges
Dimensions - 115 x 100 x 30mm
Output format - NMEA 0183 (38400 Baud)
VDM encapsulation string conforming to ITU-1371
NMEA RMC from GPS
Supplied with Software, fused power cable and data cable.