ATU (Antenna Tuning Unit)

The Antenna Tuning Unit (ATU) is an essential device for a marine MF/HF communications system to ensure the best possible interface between the transmitter and antenna. The ATU automatically adjusts the impedance to allow maximum power transfer with minimal loss, resulting in clear communication over long distances.

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Description

At I S MARINE, we offer tested and reliable ATUs from recognized manufacturers, including Furuno, JRC, and Sailor. Our ATUs are ready for tough marine environments and will deliver performance, regulatory compliance, and seamless integration into your ship’s communication system.

Why Choose Our ATUs?

  • Efficient Signal Matching – The ATU provides an efficient match between the transmitter and antenna.
  • Extended Communication Range – Reliable MF/HF communications across the oceans.
  • Marine-Grade Durability – Rugged construction for aggressive sea environments.
  • Fully Tested & Certified – Ready for your integration and standby service.
  • Safety & Compliance – SATUs are necessary devices that support GMDSS and industry standards.

At I S MARINE, we recondition, test and certify each ATU design, providing performance you can rely on out at sea.

ATU Inventory:

DescriptionMakeModelHighlights
Antenna Tuning UnitFurunoAT 1560-25 ATUHeavy-duty model for enhanced transmission power handling.
Antenna Tuning UnitFurunoAT 1560-15 ATUCompact and efficient tuning solution for MF/HF systems.
Antenna Tuning UnitFurunoAT 1575-ATUHigh-reliability unit ensuring stable signal performance.
Antenna Tuning UnitJRCNFC 196 ATUPrecision-tuned, robust, and trusted by global fleets.
Antenna Tuning UnitJRCNFC 2150 ATUAdvanced unit for high-performance and reliability at sea.
Antenna Tuning UnitSailor6348B ATU/ 4000/ 5000/ 6000Proven design, ensuring durability and communication clarity.