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SI-TEX Metadata VHF / AIS Antenna Splitter

  • Applications: All AIS Transponders and Receivers
  • Function: Enables AIS to Share a Single Antenna with VHF and AM/FM Radio
  • Power: 12 Volt or 24 Volt DC, Waterproof: IPX7 Rated
  • Item #: 
    Model #: 
    Shipping Weight: 
    1.60 Lbs.
    List Price: 
    Our Price:
    Status:      In Stock


    Package Includes:

    • AIS antenna splitter unit
      • The AIS antenna splitter has a number of indicators which provide information to the user about the status of the AIS antenna splitter
    • VHF radio connection cable
      • This cable is used to connect a VHF radio to the AIS antenna splitter
      • The cable has PL259 connectors at either end and requires a SO239 connector on the VHF radio
      • If your VHF radio does not have a SO239 connector please contact your dealer for suitable adapters
    • AIS transceiver connection cable
      • This cable is used to connect an AIS transceiver to the AIS antenna splitter
      • The cable has a BNC connector at one end (for connection to the AIS antenna splitter) and a PL259 connection at the opposite end (for connection to an AIS transceiver with an SO239 VHF connector).
    • Power and FM cable
      • The power and FM cable connects to the AIS antenna splitter and enables connection to power and an FM radio antenna input
    • Quick start guide
      • The quick start guide gives a handy one page reference for the installation process
    • Product manual
      • The product manual is this document and should be read thoroughly prior to any attempt to install or use the AIS antenna splitter


    • Operation of the SI-TEX Metadata AIS Antenna Splitter is automatic and requires no user intervention
    • During operation the antenna splitter will share signals received at your VHF antenna with both the AIS transceiver and the VHF radio
    • When either the AIS transceiver or VHF radio transmits, the AIS antenna splitter will automatically sense the transmission and route the signal to the antenna
    • In the event that both the VHF radio and AIS transceiver are transmitting at the same time, the AIS antenna splitter will give priority to the VHF radio
      • It is not possible for both connected devices to transmit simultaneously using a single VHF antenna
      • While you are talking on your VHF radio no AIS position reports will be transmitted
    • Includes (3) colored indicator lights
      • Indicators provides information regarding the status of the AIS antenna splitter
        • Power - Indicator is illuminated while the unit is powered
        • TX AIS - Indicator flashes to indicate AIS transmissions
        • TX VHF - Indicator flashes to indicate VHF radio transmissions

    Click Here for an Installation Guide for this Product


    • Applications: A fully approved marine AIS class B transceiver or AIS receiver should be used with th is AIS antenna splitter
      • Requires a SO 239 VHF antenna connector to connect to the AIS antenna splitter using the supplied accessory cable
    • Electrical connections
      • AIS antenna splitter
      • Power supply
      • VHF antenna connector
      • VHF radio connector
      • AIS transceiver connector
      • FM radio connector
    • Power: 12 Volt or 24 Volt DC power supply (Typically provided by the vessel's battery)
    • Waterproof: IPX7
    • Mount: Vertically or Horizontally
      • It is recommended that the AIS antenna splitter is installed in a 'below decks' environment
      • The AIS antenna splitter should be mounted in a location where the indicators are readily visible as these provide important information on the status of the AIS antenna splitter
    • Dimensions: 140 mm L x 100 mm W x 43 mm H

    WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to


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