AST300 AIS / VHF Antenna Splitter
AST300 – Rear view of connectors

AST300 AIS / VHF ANTENNA SPLITTER

MODEL NUMBER: AST300

Shares an existing antenna between a VHF Radio Telephone and an AIS Transponder

SKU: 001-1016 Category:

Product Description

OVERVIEW – Antenna Splitter

The AST300 AIS / VHF Antenna Splitter allows your existing VHF antenna to be used by both a VHF Radiotelephone and an AIS Transponder or AIS Receiver. The AST300 also includes an output antenna connection for FM broadcast receivers, providing a third use for your existing VHF Antenna.

Supplied with 2x patch leads for connecting to a VHF Radiotelephone and an AIS Transponder Unit.

SPECIAL FEATURES

  • Automatic signal routing to a single VHF antenna
  • Works with an AIS Transponder (Class ‘B’) or an AIS Receiver
  • VHF transmissions have priority over AIS
  • Equipped with an FM Antenna Connection for receiving Public Radio Broadcasts

APPLICATIONS

  • Enables AIS to be used with an existing antenna installed on a vessel
  • Removes the need and expense of installing a second antenna

PHYSICAL

  • Weight: 600 g
  • Dimensions: L 140 x W 120 x H 50 mm
  • Mounting: To flat surface with case brackets
  • Connections:
    • Power: 1 m 2-core captive cable
    • Antenna: SO239 UHF Connector
    • VHF Radiotelephone: SO239 UHF Connector
    • AIS Transponder / Receiver: BNC Connector
    • FM Radio: RCA Phono Socket
  • Finish: Grey aluminium housing; black fascia

ELECTRICAL

  • Power Supply: 12 / 24 V dc
  • Operating Current:
    • AIS / VHF Transmit: 135 mA (typicall)
    • AIS / VHF Receive:    65 mA (typical)
  • Antenna Impedance: AIS / VHF / Antenna: 50 Ω; FM Radio: 75 Ω

OPERATIONAL

  • Frequency Range: 156.025 MHz to 162.025 MHz
  • Sensitivity: < -112 dBm
  • Display: 3 Indicator LEDs (ON; AIS TX; VHF TX)
  • Switching Time: From Receive to AIS TX or VHF TX: 20 microseconds

ENVIRONMENTAL

  • IP rating: IP40
  • Operating temp: -15°C to +55°C
  • Storage temp: -20°C to +70°C
  • Operating Humidity: Up to 93%
  • Compass: Safe Distance 50 cm

APPROVALS

  • IEC 60945

ADDITIONAL INFORMATION

  • Supplied: AST300 Splitter with Bracket Mount
  • Supplied:
    • VHF cable, 1 m, PL259 to PL259 male connectors
    • AIS cable, 1 m, BNC to BNC male connectors
    • RCA Phono Plug (no cable)
  • Required: 4x M4 mounting screws
 

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