AIS Base Station Transas T214

Transas AIS Base Station is a state-of-the-art product ideally suited for the initial AIS base installations, for use as an additional sensor to the existing VTS centres, or in the national AIS networks.

Transas T214 AIS Base Station is fully compliant with the latest IALA Recommendations on Automatic Identification Systems (AIS) Shore Stations and networking aspects related to the AIS service (Recommendation A-124, v. 1.5).

T214 AIS Base Station is fully compliant with the following standards: IEC 62320-1, IEC 61993-2, ITU-1371-1, 2, ITU-R M.825-3, IEC-60945, IEC 60950, IEC 61162-1,2, ETS 301 489-1.

On May, 1 2007 Transas Ltd. obtained a “Declaration of Conformity” in line with the recently adopted International Standard for AIS Base Stations.

The accredited test laboratory BSH (Bundesamt for Seeshifffarht und Hydrographie) has successfully tested the Transas Base Station T214 against the International Standard IEC 62320-1 Ed. 1 (2007) and as a result has issued a “Declaration of Conformity” for the system.

  • Automatic identification of ships IMO number, MMSI, call sign and name
  • Reception of messages on coordinates, course, speed over the ground, heading, GNSS antenna position on the ship, ship length, width and draft via AIS radio data link from other ships, and output of this information to be presented on the AIS and VTS displays
  • Reception of data on the rate of turn, ship type, port of destination and time of arrival in this port, route plan, availability of dangerous cargo
  • Reception of static and dynamic data and binary messages
  • Reception and transmission of Safety Related text messages
  • FATDMA (Fixed Access Time Division Multiple Access) VDL access scheme according to 14.2.2 of IALA Recommendation A-124
  • Timeslot reservations for FATDMA access scheme ($–BCF and $–DLM sentences according to IALA Recommendation A-124)
  • Reception of differential GNSS (GPS) corrections from the GNSS reference station or radio beacon data link and their transmission via AIS channel
  • Assigning appropriate operating modes to the ship stations including the assigning of regions, frequencies, radiating power, slots, report­ing intervals, number of report
  • Transmitting vessel tracking data from radar tracking system to mo­bile AIS units via AIS VHF data links
  • External time synchronization ports (1PPS, Sensor)

Remote control and monitoring

AIS Base Station T214 can be controlled\monitored remotely through MAIN\AUX or TCP\IP presentation ports. The basic remote control func­tions are the follow:

  • Base Station reset
  • Channel Management
  • Special AIS zones management
  • Standard AIS Base Station diagnostics.

In addition to the standard control\diagnostic functionality, AIS Base Station T214 performs the following extended remote control functions:

  • Base Station power ON\OFF
  • Automatic selection of power source (Primary or Backup) without interruption of work
  • Internal temperature and fan status monitoring
  • Power supply status monitoring (current power source, voltage of primary and backup power sources)
  • Digital Input\Output control
  • Remote upgrade of Base Station firmware.

Equipment components:

  • Main unit
  • VHF antenna
  • GLONASS / GPS antenna
  • Set of assembly fasteners
  • Set of power and connecting cables
  • Software


  • GPS / GLONASS differential correction receiver
  • UPS unit


Frequencies: 156,025 – 162,025 MHz
Frequency spacing: 12,5; 25 kHz
Modulation and baud rate: AIS – GMSK; 9600 baud
Sensitivity: -107 dBm (25 kHz)

-98 dBm (12,5 kHz)
Adjucent channel selectivity: 70 / 50 db
Intermodulation suppression: 74 db or more
Co-channel selectivity: -10 db
Carrier power: 12,5 W; 2 W
Power supply: 220/24V 45-60Hz
Operating temperature: -15°C…+55°C
Storage temperature: -20°C…+70°C
Permissible vibration: according to IEC60945
Environmental conditions: IP21, according to IEC 60945
Dimensions: 482 × 422 × 133 mm
Weight: 11,6 kg