The unit can receive ships on either the A or B AIS channels. In default setting it alternates between the two channels. The AIS engine can also be used with plotters or other PC software that have an AIS input facility. Check compatibility with your software supplier. An NMEA 0183HS input at 38 400 baud is required to accept the VDM AIS strings corresponding to ITU-1371. If your PC does not have a spare 9 pin serial port a low cost serial to USB converter is available as an optional extra. Receives both class A and B transmissions. Operating frequencies - 162.025 and 161.975 MHz. All available AIS messages relayed. Dimensions - 11.5 x 10.0 x 3.0 cm. NMEA RMC from GPS Various receiver parameters. Output format - NMEA 0183 (38400 Baud). Mounting via two moulded flanges. Supply voltage - 10 to 16 volts DC. Antenna input - 50 ohm BNC. Data connector - 9 pin \'D\' type.
