KENWOOD Manual TH-28A/287E 144MHZ TH-48A/48E 440

( Brand: Kenwood ), ( Manufacturer Part Number: TH-48A ), ( Model: KENWOOD TH-28A/28E ), ( Compatible Brand: Universal ), ( Type: Manual ), ( Era/year: 1993 ), ( Band: Fm )

Review KENWOOD Th-28a/287e 144mhz Th-48a/48e 440 Mhz Manual

The **Kenwood TH-48A/TH-28A/287E** and **TH-48A/48E** series, paired with the **440 MHz handheld radio (Kenwood TM-440)**, represent a robust and versatile lineup of two-way radios designed for professional, tactical, and public safety applications. These radios are engineered to deliver exceptional performance in demanding environments, offering a blend of reliability, clarity, and advanced features tailored for users who require dependable communication in critical situations. The **TH-48A/TH-48E** is a high-performance base station transceiver that excels in long-range communication, featuring a **144 MHz (2-meter) band** with a robust power output of up to **50 watts**, making it ideal for repeaters, emergency services, and large-scale operations. Its **dual-conversion superheterodyne receiver** ensures superior selectivity and minimizes interference, while the **agc (automatic gain control)** and **noise blanker** functions enhance signal clarity even in noisy or congested environments. The **TH-28A/287E** complements this lineup as a compact yet powerful **mobile or portable transceiver**, offering **5 watts of output power** and a **144 MHz frequency range**, perfect for vehicles or field operations where portability and durability are essential. Both models incorporate **Kenwood s proven D-STAR digital mode**, enabling seamless interoperability with other D-STAR-equipped radios for advanced voice and data communication, including GPS integration and digital voice encryption for enhanced security.

The **TM-440 handheld radio**, designed to pair seamlessly with the TH-series base and mobile radios, is a **440 MHz (UHF) transceiver** built for tactical and public safety professionals. With a **5-watt output** and a **frequency range of 406 470 MHz**, it is optimized for short-to-medium range communication in urban, suburban, or rural settings, making it a versatile tool for law enforcement, fire departments, search and rescue teams, and event security. The TM-440 features a **rugged, ergonomic design** with a **durable rubberized exterior**, ensuring resilience against drops, moisture, and extreme temperatures, while its **large, backlit display** and **intuitive keypad** provide easy navigation even in low-light conditions. Like its TH-series counterparts, the TM-440 supports **D-STAR digital communication**, allowing users to connect with other D-STAR networks for enhanced functionality, including digital voice, GPS-based location sharing, and encrypted conversations. Additionally, it includes **priority call and emergency alert functions**, ensuring critical messages are transmitted immediately, and its **long battery life** (up to **12 hours on a single charge**) is further extendable with optional external power sources, making it a dependable choice for extended deployments.

Together, these radios form a **cohesive communication system** that prioritizes **clarity, range, and reliability**, whether deployed in a stationary base station, a mobile unit, or a handheld capacity. The **TH-48A/48E** and **TH-28A/287E** share a **modular design**, allowing for easy upgrades and customization, such as the addition of **CTCSS/DCS tone encoding**, **scan functions**, and **remote control capabilities** via the **TM-440 or other compatible devices**. The **440 MHz TM-440** bridges the gap between handheld and base station communication, ensuring seamless handoffs between mobile and portable units, which is particularly valuable in dynamic environments where teams operate across multiple locations. Both systems are backed by **Kenwood s reputation for durability and innovation**, with features like **wideband reception**, **selectable squelch thresholds**, and **adjustable audio levels** that cater to diverse operational needs. Whether used for **public safety coordination, amateur radio enthusiasts, or professional tactical communications**, this lineup delivers a **high-performance solution** that balances power, flexibility, and ease of use, ensuring clear and consistent communication in even the most challenging scenarios.

### **Kenwood TH-48A, TH-28A/287E, and TH-48A/48E (440 MHz) Mobile Radios: Pros and Cons**

Kenwood s TH series of mobile radios (particularly the **TH-48A**, **TH-28A/287E**, and **TH-48A/48E**) are well-regarded in the amateur radio community for their reliability, performance, and versatility. Below is a detailed breakdown of their advantages and disadvantages, followed by a conclusion and recommendation.

---

### **Pros**

1. **Reliability and Durability**

- Kenwood radios are known for their robust construction, making them suitable for mobile and portable use in various conditions.

- The TH series features high-quality components, reducing the likelihood of failures over time.

- Many users report long-term reliability, with some units lasting decades with proper maintenance.

2. **Excellent RF Performance**

- These radios deliver strong signal output and sensitivity, which is crucial for long-distance communication and weak-signal modes (e.g., FT8, CW).

- The **TH-48A** and **TH-48A/48E** (440 MHz) are particularly well-regarded for their performance on the 2-meter and 70-cm bands, respectively.

- The **TH-28A/287E** is a popular choice for 2-meter operation, offering clear audio and stable tuning.

3. **Versatile Features**

- **Memory Channels**: All models support a high number of memory channels (typically 100 ), allowing for easy storage of frequencies for repeaters, nets, and personal contacts.

- **Dual-Watch**: The ability to monitor two frequencies simultaneously is useful for checking multiple repeaters or scanning for activity.

- **CTCSS/DCS Encoding/Decoding**: Essential for accessing repeaters that require tone or digital coding.

- **Vox (Voice-Activated Transmission)**: Useful for hands-free operation in vehicles.

- **Squelch Control**: Adjustable squelch helps filter out background noise for clearer reception.

- **Band-Switching**: Quick switching between 2-meter and 70-cm bands (on models like the TH-48A/48E) is convenient for multi-band operation.

4. **User-Friendly Interface**

- The controls are intuitive, with clear labeling and responsive knobs. The **TH-48A** and **TH-48A/48E** feature a front-panel display for easier navigation.

- The **TH-28A/287E** has a simpler design, which some users prefer for its straightforward operation.

5. **Compatibility and Accessories**

- Kenwood radios are widely supported by aftermarket accessories, including mic adapters, power amplifiers, and programming software (e.g., **CHIRP**).

- They integrate well with Kenwood s other equipment, such as amplifiers and repeaters.

6. **Long-Term Availability**

- These radios have been in production for decades, ensuring that parts and support remain available even for older models.

- The **TH-48A** and **TH-48A/48E** are particularly popular in the used market, with a strong community of users and technicians.

7. **Manual and Documentation**

- The **440 MHz manual** (likely referring to the **TH-48A/48E**) provides detailed instructions for setup, programming, and troubleshooting.

- Kenwood s documentation is generally clear, though some users may find it dense for beginners.

8. **Cost-Effectiveness**

- Compared to newer radios with advanced features (e.g., touchscreens, digital modes), these models offer excellent performance at a lower cost.

- The **TH-28A/287E** is often priced affordably, making it a great entry-level or secondary radio.

9. **Support for Weak-Signal Modes**

- The radios perform well with digital modes like **FT8, JT65, and CW**, which are popular in modern amateur radio.

- Their analog performance is also strong, making them suitable for voice communication.

10. **Community and Support**

- Kenwood has a strong presence in the amateur radio community, with forums, clubs, and technicians who can assist with repairs or upgrades.

- The radios are frequently discussed in online groups (e.g., Reddit s r/AmateurRadio), where users share tips and troubleshooting advice.

---

### **Cons**

1. **Outdated Technology**

- These radios lack modern features such as **touchscreens, built-in GPS, or advanced digital voice modes** (e.g., DMR, P25).

- They do not support **smart features** like Bluetooth pairing or app-based control, which are present in newer radios.

2. **Limited Digital Capabilities**

- While they handle analog and basic digital modes well, they are not designed for **modern digital trunked systems** (e.g., DMR, Fusion, or P25).

- Users interested in **digital repeaters** may need a separate radio or a digital interface.

3. **No Built-In Battery Monitoring**

- Unlike some newer radios, these models do not have **low-battery alerts** or **power-saving features**, which can be inconvenient for portable use.

4. **Manual Programming Can Be Cumbersome**

- Programming frequencies and settings requires physical knob adjustments or external software (e.g., CHIRP), which may be slower than touchscreen radios.

- Some users find the **TH-48A/48E s** front-panel display less intuitive than newer models with backlit screens.

5. **No Wi-Fi or Networking Features**

- These radios cannot connect to the internet or other devices for features like **remote programming or cloud-based logging**.

- They are strictly **standalone radios** without integration with modern networking.

6. **Limited Audio Customization**

- Audio adjustments (e.g., compression, noise reduction) are more basic compared to modern radios, which offer **adaptive filters and digital signal processing**.

- Some users may find the audio quality less polished than in newer models.

7. **Physical Size and Mounting**

- The **TH-48A** and **TH-48A/48E** are larger than some modern handheld radios, which can make them less portable for backpacking or field day use.

- The **TH-28A/287E** is more compact but still not as small as a modern HT (handheld).

8. **No Built-In Noise Blankers**

- While effective, these radios lack **automatic noise blankers** that some newer models include to further reduce interference.

9. **Deprecated Software Support**

- Kenwood no longer actively develops software for these radios, so **firmware updates or new features are unlikely**.

- Users must rely on community-driven solutions (e.g., CHIRP) for programming.

10. **Potential for Obsolescence**

- As newer radios with better features emerge, these models may become less competitive for users seeking the latest technology.

- However, their reliability and performance ensure they remain relevant for analog and weak-signal enthusiasts.

---

### **Conclusion**

The **Kenwood TH-48A, TH-28A/287E, and TH-48A/48E** are excellent choices for amateur radio operators who prioritize **reliability, analog performance, and simplicity**. They excel in **weak-signal modes, repeater operation, and long-term durability**, making them ideal for:

- **Mobile operation** (car radios) where robustness is key.

- **Weak-signal enthusiasts** who use FT8, CW, or other digital modes.

- **Budget-conscious buyers** who want a high-quality radio without modern frills.

- **Operators who prefer analog communication** and do not need digital trunking features.

- Want **touchscreen interfaces, digital trunking (DMR/P25), or networking features**.

- Need **portable radios with advanced audio processing or battery monitoring**.

- Seek **the latest technology**, such as AI-assisted tuning or app integration.

For most **analog-focused, long-term users**, these radios remain a **strong recommendation** due to their proven performance and longevity. If you are primarily interested in **digital modes or modern repeater systems**, you may want to consider newer radios like the **Kenwood TM-D710G** or **Yaesu FT-65R**, but the TH series will serve you well for decades with proper care.

---

### **Final Recommendation**

- **Buy the Kenwood TH-48A or TH-48A/48E** if you need a **reliable, dual-band (2m/70cm) mobile radio** with excellent analog and weak-signal performance. These are the most versatile of the group.

- **Buy the TH-28A/287E** if you are looking for a **budget-friendly, high-performance 2-meter mobile radio** with a simpler interface.

- **Avoid these radios** if you require **digital trunking, touchscreens, or modern networking features**.

For most **serious amateur radio operators**, the **TH-48A** is the best all-around choice due to its dual-band capability and robust build. Pair it with a **Kenwood TM-281A or TM-V71

Details:

Kenwood TH-28A/28E 144Mhz / TH-48A/48E 440 Mhz Manual.

part #: th48a prices

• $14.99-$16.74

specifications radiomanumag:

• brand: Kenwood
• mpn: Th-48a
• model: Kenwood Th-28a/28e
• compatible brand: Universal
• type: Manual
• era/year: 1993
• band: Fm

offer radiomanumag:

• sold: 0
• quantity: 1
• started: April 14, 2026
• availability: In Stock
• options: Ship-to-home

general radiomanumag:

• Radio Communication > Parts Accessories > Manuals Magazines
• condition: Good

payments radiomanumag:

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

seller radiomanumag:

• rating: 100.0%
• city: Montrose, Minnesota
• # reviews: 94

returns radiomanumag:

• policy: No Returns

shipping radiomanumag:

• type: Fixed
• transit: 3-9 Days
• carrier: USPS
• cost: $5.16
• service: USPS Ground Advantage
• class: Standard

Kenwood TH-48A Is Similar To:

• Kenwood Tl-922 Linear Amplifier Service Manual Very Good Cond 1977 Original (33.8% similar) Has a slight musty odor not smoke. Please see photos for personal evaluation and specifics. Up for sale is an original Kenwood TL-922 linear amplifier service manual. In very good condition. Binding intact, ages look great...(January 9th, 2024)
• Kenwood R-300 Communications Receiver Original Service Manual Revised (27.3% similar) Kenwood R-300 communications receiver...(January 11th, 2024)
• Kenwood Tr-7400 Service Manual Original Oem (40.4% similar) Part #: Kenwood TR-7400 for sale...(January 16th, 2024)
• Kenwood Tm-d700e Tm-d700a Transceiver Specialized Communications Original Manual (35.5% similar) ...(January 22nd, 2024)
• Kenwood Ts-890s In-depth Manual (45.7% similar) All the pages are included as you can see from pictures. Selling a beautiful Kenwood TS-890S manual...(May 16th, 2024)
• Kenwood 7400a Tr Instruction Manual 7625 Tr7600 3 Booklets (33.6% similar) Hard to find manuals...(August 8th, 2024)
• Nifty Mm-ts590sg Mini Manual Kenwood Ts-590s Mini-manual (30.8% similar) Very good condition - mini manual see photos...(November 29th, 2024)
• Kenwood Th-d75 User Manual 132 Pages Full Color And Protective Covers (32.3% similar) Printed with commercial class laser printers. Protective plastic covers front and back. Kenwood TH-D75 user manual, the reprint of the original. 8/1 /2 x 11 format. 73!, Shawn KJ7MX. Coil binding...(November 30th, 2024)
• Kenwood Th-55at Th-22a Th-22at Th-22e Th42a Th-42at Th-42e User Manual (52.6% similar) Photos are the best. Items may need a more in depth cleaning. Please look at all pictures closely before purchasing. Everything you see in the pictures is what included this lot...(January 16th, 2025)
• Kenwood Ts-8305 Kenwoo Service Manual Model Sp-230 Vfo-230 Hf Ssb Transceiver (29% similar) Please look at all pictures closely before purchasing. Photos are the best. Everything you see in the pictures is what included this lot. Items may need a more in depth cleaning...(January 24th, 2025)
• Kenwood Ts-v870s Nifty Mini Manual New (44.4% similar) Provides clear for all controls, setup menus and modes of operation. Weather happens. An essential operating accessory. Simple step-by-step instructions, augmented with useful hints and explanations. Smaller, faster and easier to use than the factory instruction manual. Covers all features available...(March 13th, 2025)