YAESU RA0539900 Key Pad Nos FT-7800

( Brand: Yaesu ), ( Manufacturer Part Number: RA0539900 ), ( Compatible Brand: Yaesu Ft-7800r ), ( Type: Key Pad ), ( Country Of Origin: Japan )

Review YAESU Key Pad Nos Made

The Yaesu FT-7800 is a legendary, high-performance VHF/UHF dual-band mobile transceiver that has earned its reputation as a workhorse among amateur radio operators, emergency communicators, and professionals who demand reliability, clarity, and versatility in the field. This model, specifically the **FT-7800 with a keyboard (RA0539900)**, stands out as a premium choice for those who require a robust yet user-friendly mobile radio with advanced features without sacrificing durability or ease of use. Engineered with Yaesu s signature precision, the FT-7800 is built to withstand the rigors of daily use in vehicles, emergency response scenarios, or portable setups, thanks to its rugged aluminum chassis and high-quality components that ensure long-term performance. The inclusion of a full keyboard (as opposed to the touchpad version) enhances usability, making it ideal for operators who prefer tactile control over digital interfaces, particularly in noisy environments or when wearing gloves.

At its core, the FT-7800 delivers exceptional audio quality, thanks to its **DSP (Digital Signal Processing) technology**, which provides crystal-clear voice transmission and reception even in challenging conditions like high noise levels or weak signals. The radio s **100-watt linear amplifier** ensures powerful output for long-range communication, while its **automatic band switching** and **dual-band operation** (covering both VHF and UHF bands) make it incredibly versatile for a wide range of applications, from local repeaters to long-distance contacts. The **100-watt PEP (Peak Envelope Power) output** on transmit further amplifies its reach, making it a standout choice for those who need to communicate over extended distances without relying on external amplifiers.

The FT-7800 s **full-featured keyboard** is a standout feature, offering intuitive navigation through menus, direct frequency entry, and quick access to essential functions like VOX (Voice Operated Transmit), CTCSS/DCS tone squelch, and memory channels. This layout is particularly advantageous for operators who frequently adjust settings on the fly, such as during emergency operations or while driving, where split-second responses are critical. The radio also supports **100 memory channels**, allowing users to store a vast array of frequencies for repeaters, nets, or personal contacts, while the **100-watt linear amplifier** ensures consistent power delivery for reliable communication. Additionally, the **built-in CTCSS/DCS encoder/decoder** and **DTMF (Dual-Tone Multi-Frequency) control** enhance security and functionality, making it easier to access private or group channels.

Beyond its technical prowess, the FT-7800 is designed with practicality in mind. Its **compact yet sturdy form factor** fits seamlessly into most vehicle dashboards, while the **adjustable front panel** allows for easy viewing and operation from the driver s seat. The **backlit LCD display** ensures visibility in low-light conditions, and the **ergonomic layout** of the keyboard minimizes fatigue during extended use. The radio also features **multiple connectivity options**, including an **RS-232 serial port** for computer control and **optional accessories** like the **FT-7800 Remote Control Unit (RA0539901)**, which allows for hands-free operation via a foot pedal or microphone. This level of customization makes the FT-7800 adaptable to nearly any operational need, whether for personal use, public service, or professional applications.

For those who prioritize reliability and performance, the FT-7800 is a testament to Yaesu s engineering excellence. Its **long-term durability**, **superior audio quality**, and **advanced features** make it a favorite among seasoned operators and newcomers alike. Whether deployed in a police vehicle, emergency response truck, or as a trusted mobile station for hobbyists, the FT-7800 with its keyboard variant delivers unmatched functionality and peace of mind. With its blend of power, precision, and user-friendly design, this transceiver remains a benchmark in the world of mobile amateur radio, proving that great communication doesn t have to come at the expense of simplicity or performance.

### Pros and Cons of buying a Yaesu FT-7800 with a NOS (New Old Stock) Keyboard

1. **High-Quality Construction and Durability**

The Yaesu FT-7800 is renowned for its robust build quality, featuring a metal chassis and solid internal components. This makes it a long-lasting radio that can withstand frequent use and harsh environments, such as field operations or emergency communications.

2. **Excellent Transmit Performance**

The FT-7800 is powered by a 100W linear amplifier, delivering strong and clear transmissions even under challenging conditions. Its efficient power output ensures reliable communication over long distances, making it ideal for DXing, contesting, and emergency use.

3. **Versatile Frequency Coverage**

The radio covers a wide range of frequencies, including HF (160m 10m), 6m, and VHF/UHF (144/432 MHz), with excellent performance across all bands. This versatility allows users to engage in amateur radio activities globally, from local repeaters to international contacts.

4. **Superior Receiver Performance**

The FT-7800 features a high-performance receiver with strong selectivity, low noise figure, and excellent dynamic range. It handles weak signals well and minimizes interference, making it suitable for weak-signal modes like CW, SSB, and digital modes.

5. **User-Friendly Interface with the NOS Keyboard**

The NOS (New Old Stock) keyboard is a high-quality, backlit, and durable membrane keyboard designed specifically for the FT-7800. It provides tactile feedback, making navigation and operation more intuitive. The backlighting is particularly useful in low-light conditions, such as during nighttime operations or in dimly lit environments.

6. **Compatibility with Modern Features**

While the FT-7800 is an older model, it supports modern features like memory channels, scan functions, and compatibility with digital modes (e.g., FT8, JT65) when paired with appropriate software. Its analog nature also means it doesn t rely on complex digital systems that may become obsolete over time.

7. **Strong Resale Value**

Yaesu radios, especially well-maintained models like the FT-7800, hold their value well in the used market. If your needs evolve or you decide to upgrade, you can often recoup a significant portion of your investment by selling it.

8. **Reliability and Low Maintenance**

Yaesu radios are known for their reliability. The FT-7800 requires minimal maintenance, with no moving parts in critical areas like the transmitter or receiver. This reduces the risk of mechanical failure and extends the radio s lifespan.

9. **Community and Support**

The FT-7800 has a large user base within the amateur radio community. This means you ll find extensive resources, tutorials, and support forums where you can troubleshoot issues, share tips, and learn from experienced operators.

10. **Field and Portable Use**

The FT-7800 is compact and lightweight, making it suitable for portable operations, field day events, and emergency communications. Its durability and power efficiency also make it a reliable choice for off-grid or remote locations.

---

1. **Outdated Technology**

The FT-7800 is an analog radio, meaning it lacks modern digital features such as built-in GPS, APRS, or advanced touchscreen interfaces. While this isn t necessarily a drawback for all users, it may limit its functionality in certain applications (e.g., digital voice modes or automated tracking).

2. **Learning Curve for Digital Modes**

While the FT-7800 can be used with digital modes like FT8 or JT65, it requires additional software (e.g., WSJT-X, HRD) to interface with a computer. This adds complexity for operators who prefer a fully self-contained radio experience.

3. **Limited Smart Features**

Unlike newer radios with Bluetooth, Wi-Fi, or app connectivity, the FT-7800 is a standalone device. This means you cannot easily integrate it with modern smart home systems, voice-activated assistants, or remote monitoring tools.

4. **Potential for Obsolescence**

While Yaesu radios are durable, the lack of software or firmware updates means the FT-7800 may not adapt to future technological advancements. However, this is less of an issue for operators who prioritize analog reliability over cutting-edge features.

5. **Cost Compared to Newer Models**

The FT-7800, especially with a NOS keyboard, can be expensive in the used market. While it offers excellent value for its performance, newer radios with additional features (e.g., digital signal processing, touchscreens) may appeal to those willing to pay more for modern conveniences.

6. **No Built-in Band-Scan or Automatic Frequency Selection**

The FT-7800 does not have automatic band-scanning or frequency selection features. Users must manually tune to frequencies, which can be less convenient than radios with built-in scan functions or automatic frequency tracking.

7. **Limited Battery Life in Portable Use**

While the FT-7800 is efficient, its battery life in portable or mobile use depends heavily on the power supply and usage. Unlike some modern radios with optimized power consumption, it may require external power sources for extended operations.

8. **Potential for Stock Issues with NOS Keyboard**

NOS (New Old Stock) keyboards are pre-owned but well-maintained. However, there is a slight risk of minor wear or cosmetic imperfections, though reputable sellers typically test and certify their NOS components. Always inspect the keyboard for any signs of damage or malfunction before purchasing.

9. **No Built-in Noise Blanker or Advanced Signal Processing**

While the FT-7800 has a noise blanker, it lacks some of the advanced signal-processing features found in newer radios, such as adaptive filtering or AI-assisted noise reduction. This may affect performance in highly noisy environments.

10. **Physical Key Layout Limitations**

The keyboard layout, while functional, may not be as ergonomic as modern touchscreen or QWERTY-style interfaces. Operators who frequently use the radio for digital voice or Morse code may find the layout less intuitive compared to newer designs.

---

The Yaesu FT-7800 with a NOS keyboard is a **highly capable, durable, and reliable amateur radio transceiver** that excels in analog communication, weak-signal operations, and field use. Its strengths lie in its robust construction, powerful transmit performance, and superior receiver quality, making it a favorite among DXers, contesters, and emergency communicators. The NOS keyboard adds a layer of usability and modern convenience without compromising the radio s analog integrity.

However, its analog nature and lack of smart features may not appeal to users who prioritize digital integration, touchscreen interfaces, or automated functions. Additionally, the cost of a NOS FT-7800 can be high, though it remains a sound investment for those who value performance and longevity over cutting-edge technology.

For **enthusiasts who prioritize reliability, transmit power, and receiver performance** especially in HF and portable operations the FT-7800 is an excellent choice. It is particularly well-suited for:

- DXing and long-distance communication.

- Emergency and public service operations.

- Contesting and weak-signal modes.

- Field day and portable setups where durability is critical.

For **users who prefer modern digital features, smart connectivity, or automated functions**, newer radios with touchscreens or built-in digital processing may be more appealing, though they often come at a higher price point.

---

- You are an amateur radio operator who values **analog reliability, transmit power, and receiver performance**.

- You frequently operate in **HF bands, contests, or weak-signal modes**.

- You need a **durable, field-proven radio** for emergency communications or portable use.

- You are willing to invest in a **long-term, high-quality transceiver** that holds its value well.

- You are comfortable with **manual tuning and basic digital mode setups** (e.g., using WSJT-X for FT8).

- You prefer **modern digital features, touchscreens, or smart connectivity**.

- You primarily use **digital voice modes (e.g., DMR, Yaesu System Fusion)** and want a radio that integrates seamlessly with those systems.

- You are on a **tight budget** and can find a newer, feature-rich radio at a comparable price.

- You require **automated functions** like band-scanning or GPS tracking.

Ultimately, the FT-7800 is a **legendary radio** that remains one of the best analog HF transceivers available. For the right operator, it is a **wise purchase** that will serve them well for many years. Always ensure you purchase from a **reputable seller** who tests the NOS keyboard and provides a warranty or return policy to mitigate any risks.

Details:

You should be very pleased with this item. This is compatible with the Yaesu FT-7800R Transceivers. Yaesu FT-7800R Key Pad RA0539900. Comes as shown.

Look close at pics.

part #: ra0539900 prices

• $13.50-$15.46

specifications hamamateuradio:

• brand: Yaesu
• mpn: Ra0539900
• compatible brand: Yaesu Ft-7800r
• type: Key Pad
• country of origin: Japan

seller hamamateuradio:

• city: Hannibal, New York
• rating: 99.2%
• # reviews: 4499

general hamamateuradio:

• condition: For parts or not working
• Radio Communication > Ham, Amateur Radio > Other Ham Radio Equipment

shipping hamamateuradio:

• carrier: USPS
• service: USPS First Class Letter
• transit: 5-11 Days
• cost: $1.36
• class: Standard
• type: Calculated

offer hamamateuradio:

• started: April 30, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 2

returns hamamateuradio:

• policy: No Returns

payments hamamateuradio:

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

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