PENNTEK TR-35 Cw Qrp Transceiver

( Brand: Penntek ), ( Manufacturer Part Number: TR-35 ), ( Frequency Range: 40m, 30m, 20m, 17m Bands ), ( Supported Modes: Cw Transceive, Ssb Receive ), ( Color: Black ), ( Band: 40m, 30m, 20m, 17m ), ( Type: Ham Radio Transceiver ), ( Unit Type: Unit ), ( Band Type: Quad Band ), ( Features: Rit, 2 Programmable Cw Messages ), ( Country Of Origin: United States ), ( Power: 5w Max ), ( Item Weight: 12 Oz. )

Review PENNTEK Band Cw Qrp Transceiver

The **Penntek TR-35 CW QRP Transceiver** is a meticulously engineered, all-band QRP (low-power) transceiver designed for serious amateur radio operators who demand exceptional performance, versatility, and reliability in a compact, portable package. Built with a focus on clarity, efficiency, and ease of use, this transceiver excels as both a field station and a home setup, catering to Morse code enthusiasts, contesters, and DXers alike. Operating across the entire amateur HF spectrum from 1.8 to 30 MHz, the TR-35 CW delivers a clean, stable signal with minimal interference, thanks to its solid-state design and high-quality components. Its fully synthesized tuning system ensures precise frequency selection with a resolution of just 10 Hz, allowing operators to dial in exact offsets for SSB or digital modes with ease, though its primary strength lies in its unmatched clarity and bandwidth efficiency for CW operation. The transceiver features a robust, front-panel VFO with intuitive controls, including a dedicated CW key jack and a built-in keyer with adjustable dot/dash ratios, pitch, and weight for personalized Morse operation. Its internal power amplifier delivers a solid 5 watts of RF output, sufficient for reliable communication over long distances with minimal antenna requirements, while its low power consumption makes it ideal for battery-powered operation in remote locations. The TR-35 CW incorporates a high-performance, double-conversion superheterodyne receiver architecture, ensuring exceptional selectivity and sensitivity with a third-order intercept point (IP3) that minimizes distortion and interference. Its adjustable bandwidth filter (narrow, medium, or wide) allows operators to optimize reception for weak signals or suppress adjacent-channel interference, making it particularly well-suited for crowded bands. The front panel is thoughtfully laid out with clearly labeled knobs and switches, including a built-in signal strength meter, S-meter, and a dedicated CW filter for enhanced clarity during Morse transmissions. Additionally, the transceiver includes a built-in antenna tuner, eliminating the need for external matching networks and simplifying setup in the field. Constructed with durability in mind, the TR-35 CW features a rugged, metal-chassis design with a protective rubberized exterior, ensuring longevity even in demanding environments. Its compact dimensions and lightweight construction make it an excellent choice for portable operations, while its robust power supply options including AC, DC, and battery operation provide flexibility for both home and field use. Whether deployed as a primary station or a backup for critical communications, the Penntek TR-35 CW QRP Transceiver stands out as a testament to thoughtful engineering, delivering outstanding performance in a package that balances portability with professional-grade reliability. Perfect for operators who prioritize signal purity, ease of use, and versatility, this transceiver is a standout choice for those seeking a high-quality, all-band CW rig without the bulk or complexity of larger setups.

The Penntek TR-35 CW QRP Transceiver is a popular choice among amateur radio operators, particularly those interested in low-power (QRP) Morse code (CW) operation. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

### **Pros of the Penntek TR-35 CW QRP Transceiver**

1. **Compact and Portable Design**

The TR-35 is small and lightweight, making it ideal for field operations, portable setups, or travel. Its compact size allows it to fit easily in a backpack or a small case without taking up much space.

2. **High Performance for QRP Operation**

Despite its low power output (typically 5 watts or less), the TR-35 is well-regarded for its ability to make strong contacts on CW. Its efficient design and good signal-to-noise ratio help overcome the limitations of low power, especially on shorter bands.

3. **Simple and Intuitive Operation**

The transceiver is designed with a focus on ease of use, particularly for beginners. It features a straightforward layout with clear knobs and buttons, reducing the learning curve for new operators. The CW keyer is built-in, eliminating the need for an external keyer.

4. **Full Functionality for CW Operation**

The TR-35 is optimized for Morse code operation, offering features such as adjustable CW speed, built-in tone generation, and a sidetone output. This makes it a reliable choice for those who prioritize CW communication.

5. **Durability and Build Quality**

The TR-35 is constructed with a sturdy metal chassis, which adds to its longevity and resistance to wear and tear. This makes it a durable option for both home and field use.

6. **Affordability**

Compared to some other QRP transceivers on the market, the TR-35 is relatively inexpensive. This makes it an attractive option for budget-conscious operators who still want high-quality performance.

7. **Compatibility with Accessories**

The TR-35 can be paired with various accessories, such as external antennas, amplifiers, or additional filters, to enhance its performance. Its versatility allows users to customize their setup based on their needs.

8. **Good Signal Clarity**

The transceiver delivers clear audio output and reception, which is crucial for CW operation. The lack of excessive noise or distortion ensures that operators can hear weak signals more effectively.

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### **Cons of the Penntek TR-35 CW QRP Transceiver**

1. **Limited Bandwidth and Frequency Coverage**

The TR-35 is primarily designed for CW operation and does not support SSB (Single Sideband) or FM modes. This limits its versatility for operators who want to use other modes of communication. Additionally, it covers a limited range of frequencies, typically focusing on the HF bands (e.g., 80m, 40m, 20m, 15m, and 10m), which may not be sufficient for those who need wider coverage.

2. **No Built-in Digital Features**

Unlike some modern transceivers, the TR-35 lacks digital features such as built-in memory channels, digital signal processing (DSP), or data modes like PSK31 or RTTY. This can be a drawback for operators who want to explore digital communication methods.

3. **Manual Tuning and Calibration**

The TR-35 requires manual tuning and calibration, which may not be as convenient as transceivers with automatic tuning or calibration features. This can be time-consuming, especially when switching between bands or adjusting for different conditions.

4. **Limited Power Output**

While the low power output is ideal for QRP operation, it can be a limitation for operators who live in areas with high noise levels or weak propagation conditions. In such cases, the TR-35 may struggle to make reliable contacts, especially on weaker bands or during poor propagation periods.

5. **No Built-in Antenna Tuner**

The TR-35 does not include a built-in antenna tuner, which can be a disadvantage for operators who do not have an external tuner. An antenna tuner is often necessary to match the transceiver to different antennas, especially when operating on multiple bands.

6. **Outdated Technology**

The TR-35 is a relatively older design, and some operators may find it lacks the modern features and refinements found in newer transceivers. For example, it does not have touchscreen controls, digital displays, or advanced filtering options that are common in contemporary models.

7. **Limited After-Sales Support**

Penntek, the manufacturer, may not offer extensive after-sales support or warranty coverage compared to larger, more established brands. This could be a concern for operators who require technical assistance or repairs.

8. **No Built-in Noise Blanker or Other Signal Processing**

The TR-35 lacks advanced signal processing features such as a noise blanker, which can help improve reception in noisy environments. While this is not a critical issue for CW operation, it may be a drawback for operators who want additional tools to enhance their listening experience.

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### **Conclusion**

The Penntek TR-35 CW QRP Transceiver is an excellent choice for amateur radio operators who prioritize simplicity, portability, and efficient CW communication. Its compact design, durability, and affordability make it a practical option for both beginners and experienced operators who focus on low-power operation. The transceiver s high performance for its power class and intuitive operation further add to its appeal.

However, its limitations such as the lack of support for SSB or digital modes, manual tuning requirements, and limited frequency coverage may not suit operators who require a more versatile or feature-rich transceiver. Additionally, those operating in noisy environments or who prefer modern conveniences may find the TR-35 less than ideal.

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### **Recommendation**

- **CW enthusiasts** who want a reliable, low-power transceiver for portable or field operations.

- **Beginners** who are new to amateur radio and want a simple, easy-to-use device to learn CW.

- **Budget-conscious operators** who prioritize affordability without sacrificing performance.

- **Operators who prioritize portability** and do not require SSB or digital modes.

For those who need a more versatile transceiver with additional features such as SSB, digital modes, or automatic tuning, other models such as the Yaesu FT-817ND, the Icom IC-705, or the Elecraft K3 may be more suitable. However, if your primary focus is CW operation and you value simplicity and portability, the Penntek TR-35 remains a strong and cost-effective choice.

Details:

All critical circuits are factory pre-aligned and calibrated. ; There is a control or switch for every function. Separate jacks for straight key and paddles; Always ready SKCC contacts. Now out of production, ther-35 was originally priced at $379.00.

RCVR modes for CW narrow and wide band, SSB reception. Two message keyed memory record and playback, programmable with paddles. Front panel adjustable RF gain control.

CW side tone is the actual transmitter signal as heard by receiver. A paddle was used to verify RF out on each band. This radio appears to have been barely used. Very effective receive AGC prevents ear damage with strong signals.

Signal quality blue LED, RIT warning orange Low battery red LED. Match the received signal tone to side tone for perfect zero beating. Full coverage of 40, 30, 20, and 17 meters with extended RCVR tuning above below. Reverse display optics mode for better visibility in high ambient light conditions.

5 watts minimum output on all bands at 12vdc input, can approach 10 with 14 volts . From the WA3RNC site: Size 5 X 3/1 less protrusions, weight 10.6 Oz.

specifications hamamateuradio:

• brand: Penntek
• mpn: Tr-35
• frequency range: 40m, 30m, 20m, 17m Bands
• supported modes: Cw Transceive, Ssb Receive
• color: Black
• band: 40m, 30m, 20m, 17m
• type: Ham Radio Transceiver
• unit type: Unit
• band type: Quad Band
• features: Rit, 2 Programmable Cw Messages
• country of origin: United States
• power: 5w Max
• item weight: 12 Oz.

offer hamamateuradio:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: April 10, 2026

general hamamateuradio:

• condition: Used
• Radio Communication > Ham, Amateur Radio > Ham Radio Transceivers

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• cost: $10.00
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• transit: 5-12 Days

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seller hamamateuradio:

• city: Silver City, New Mexico
• rating: 100.0%
• # reviews: 219

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