RADIODAN Y-FT100D Yaesu Amplifier Relay Keying Alc Cable FT-100D 3.5MM

( Brand: Radiodan ), ( Manufacturer Part Number: Y-FT100D ), ( Type: Amplifier Cable ), ( Cable Length: 5 Feet ), ( Country Of Origin: United States )

Review RADIODAN Yaesu Amplifier Relay Keying And Alc Cable 3.5mm

The **Radiodan Y-FT100D** is a meticulously engineered, high-performance amplifier relay keying and ALC (Automatic Level Control) cable designed specifically for the **Yaesu FT-100D**, a versatile and compact HF/VHF/UHF transceiver renowned for its reliability and flexibility in amateur radio operations. This premium 3.5mm stereo plug-to-straight-pin connector cable is crafted to seamlessly integrate with the FT-100D s relay keying and ALC functions, ensuring optimal performance during both manual and automated transmissions. Constructed with **high-quality, shielded, oxygen-free copper wiring**, the cable minimizes signal interference and maintains signal integrity across the entire frequency spectrum, from the lowest HF bands to the highest UHF ranges. The robust, durable **3.5mm stereo plug** is designed to fit securely into the FT-100D s keying and ALC ports, while the **straight-pin connector** on the opposite end allows for straightforward integration with external amplifiers, relays, or other accessories, such as the **FT-100D s built-in relay keying circuit** or third-party linear amplifiers like the Yaesu FT-2000D or FT-1000MP. This cable is particularly advantageous for operators who utilize **relay keying** for remote control of their transceivers or those who rely on **ALC feedback** to optimize power output and protect their amplifiers from overdriving. The **low-capacitance design** ensures minimal signal degradation, making it ideal for both SSB and CW operations where precision and clarity are paramount. Additionally, the **durable, abrasion-resistant outer jacket** and **reinforced connectors** provide long-term reliability, even in demanding operating environments. Whether used for local club stations, portable operations, or as part of a larger automated station setup, the **Radiodan Y-FT100D** delivers a dependable, high-performance solution that enhances the functionality and efficiency of the Yaesu FT-100D, ensuring smooth keying, accurate ALC feedback, and seamless integration with external equipment.

**Pros and Cons of buying a Radiodan Y-FT100D/Yaesu FT-100D Amplifier Relay Keying ALC Cable (3.5mm)**

### **Pros**

1. **Compatibility** The cable is specifically designed for the Yaesu FT-100D and Radiodan Y-FT100D amplifiers, ensuring seamless integration with these units. This reduces the risk of compatibility issues that might arise with generic cables.

2. **Proper Keying and ALC Functionality** The cable is engineered to handle relay keying and Automatic Level Control (ALC) signals correctly. This is crucial for proper amplifier operation, especially when using keying relays or external control interfaces.

3. **High-Quality Construction** Radiodan and Yaesu are reputable brands known for reliable radio accessories. The cable is likely built to withstand frequent connections and disconnections, reducing wear and tear over time.

4. **Standardized Connector** The 3.5mm audio jack is a common connector type, making it easy to find replacements or adapt it to other devices if needed. This flexibility is useful if you later upgrade equipment.

5. **Direct Support from Manufacturer** Purchasing from a trusted brand means access to customer support, warranty coverage, or troubleshooting assistance if issues arise with the cable.

6. **Optimized Signal Integrity** Since the cable is designed for amplifier control, it likely minimizes signal degradation, ensuring clean ALC and keying signals for consistent performance.

---

### **Cons**

1. **Limited Use Beyond the FT-100D/Y-FT100D** While the 3.5mm connector is versatile, the cable s specific design may not be compatible with other amplifiers or radios without additional adapters or modifications.

2. **Potential Overkill for Basic Setups** If you re using a simple amplifier without relay keying or ALC requirements, a basic audio cable might suffice, and this specialized cable could be unnecessary.

3. **Cost** Compared to generic audio cables, this specialized cable may be priced higher due to its tailored functionality. If budget is a concern, a universal audio cable might be a cheaper alternative (though not ideal for amplifier control).

4. **Dependence on Brand-Specific Design** If Yaesu or Radiodan discontinue support for the FT-100D line, finding replacements or compatible accessories could become difficult in the long term.

5. **No Additional Features** Unlike some premium cables, this one does not include extra functionalities like built-in filters, shielding, or extended lengths, which might be needed for certain setups.

6. **Potential for Misuse** If connected incorrectly (e.g., mixing keying and ALC pins), it could damage the amplifier or radio. Proper understanding of the cable s pinout is essential.

---

### **Conclusion**

The **Radiodan Y-FT100D/Yaesu FT-100D Amplifier Relay Keying ALC Cable (3.5mm)** is a **highly specialized and reliable accessory** for users working with the Yaesu FT-100D or Radiodan Y-FT100D amplifiers. Its primary advantage lies in its **precise compatibility, proper signal handling for keying and ALC, and brand-backed quality**, making it ideal for serious operators who require accurate amplifier control.

However, if you re working with a different amplifier or have a simpler setup, the **cost and specificity** of this cable may not justify its purchase. In such cases, a **basic audio cable with proper shielding** (if needed) could be a more flexible and budget-friendly alternative.

For **FT-100D/Y-FT100D users**, this cable is **highly recommended** due to its optimized performance and reliability. For others, careful consideration of compatibility and needs is essential before purchasing.

- **Buy it if:** You own a Yaesu FT-100D or Radiodan Y-FT100D and require proper relay keying and ALC functionality.

- **Avoid it if:** You re using a different amplifier or don t need specialized keying/ALC control, as a generic cable may suffice.

Details:

For Yaesu FT-100D for amplifier keying and ALC High quality RCA cable with full braid a 3.5mm TRS stereo that plugs into your ACC jack. Want to protect your radio keying circuit. If unsure, better to be safe than sorry.

part #: yft100d price

• $9.98

specifications coaxcabl:

• brand: Radiodan
• mpn: Y-ft100d
• type: Amplifier Cable
• cable length: 5 Feet
• country of origin: United States

shipping coaxcabl:

• type: Fixed
• service: USPS First Class
• carrier: USPS
• cost: $6.95
• transit: 4-10 Days
• class: Standard

returns coaxcabl:

• policy: No Returns

general coaxcabl:

• Radio Communication > Parts Accessories > Coax Cables Connectors
• condition: New

seller coaxcabl:

• rating: 99.9%
• # reviews: 17654
• city: Fort Collins, Colorado

payments coaxcabl:

• wallet: Google-pay
• other
• credit card: Visa

offer coaxcabl:

• options: Ship-to-home
• availability: In Stock
• sold: 1
• started: March 13, 2026

Radiodan Y-FT100D Is Similar To:

• Icom-keying-cable Radiodan Icom Amplifier Keying Cable Pin Din (48.5% similar) Free USA shipping. Our RBI-1 is highly suggested because for example the icon IC-706 series radios only have 20 ma current capability to complete an amplifier relay r circuit when you transmit...(April 27th, 2018)
• Yaesu-keying-cable Radiodan Yaesu Amplifier Keying And Tx Inhibit Cable Mini Din (55.8% similar) 5-6 feet long want to protect your radio keying circuit. This cable has pin 2 TX ground amplifier keying on red rca connector 8 inhibit is white or yellow. Plugs into jack that is 8 pin mini-din not 10 connector. The highest quality rca cable with full braid and a high connector to plug into your ...(June 25th, 2018)
• Radiodan Zt-7500 Zastone Wolf Amplifier Relay Keying Cable (63.6% similar) This is for amplifier keying only, no other functions. RBI-1A sold in a separate listing. Stone ZT-7500 aka wolf amplifier keying cable provides a ground when wolf transmits. DB-9 male connector to mating jack on your ZT-75 rca plug amplifier or your RBI-1A protective buffer interface input...(August 30th, 2024)