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The **SAILOR AT2110 Antenna Coupler** is an automatic antenna tuning unit (ATU) designed for use with **SAILOR HF SSB marine radios**, such as the **T2130** or other compatible models. It ensures optimal impedance matching between the radio and the antenna for efficient HF (High Frequency) communication.
### **Key Features of the SAILOR AT2110:**
1. **Automatic Tuning**
– Quickly adjusts to the best impedance match for the connected antenna across the **1.6–30 MHz** range.
– Reduces **SWR (Standing Wave Ratio)** for maximum power transfer.
2. **Compatibility**
– Works with **SAILOR T2130, T2070, and other SAILOR HF radios**.
– Supports **long-wire, whip, and other marine HF antennas**.
3. **High Power Handling**
– Typically rated for **150W PEP (Peak Envelope Power)** to match marine HF SSB transceivers.
4. **Fast Tuning Speed**
– Adjusts in seconds when frequency changes or when switching bands.
5. **Memory Function**
– Stores tuning settings for previously used frequencies to speed up future tuning.
6. **Robust Marine Design**
– Built to withstand **harsh maritime environments** (saltwater, humidity, vibration).
– **IP-rated enclosure** for protection against water and dust.
7. **Remote Control Capability**
– Can be controlled remotely via the connected HF radio.
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### **Installation & Wiring Notes:**
– **Mounting:** Should be installed as close to the antenna as possible to minimize feed-line losses.
– **Grounding:** Requires a **good RF ground** (e.g., copper grounding plate or hull ground) for optimal performance.
– **Connections:**
– **Radio Port:** Connects to the HF transceiver via coaxial cable.
– **Antenna Port:** Connects to the ship’s HF antenna.
– **Power & Control:** Typically powered by the connected radio or a separate DC supply (if needed).
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### **Troubleshooting Common Issues:**
1. **Fails to Tune**
– Check antenna and ground connections.
– Ensure the frequency is within the supported range (1.6–30 MHz).
2. **High SWR After Tuning**
– Verify proper grounding.
– Inspect antenna for damage or corrosion.
3. **No Power/No Response**
– Check DC power supply and control cables.
– Ensure the radio is sending the correct tuning signal.
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### **Alternatives & Related Models:**
– **SAILOR ATU 6000** (for more advanced systems like the Sailor 6000 series).
– **SGC AD-130** (a third-party marine ATU option).
– **Furuno AT-140** (compatible with Furuno HF radios).
Would you like a wiring diagram or specific setup instructions? Let me know how I can help!
