0 ratings
Comet CAT-300 Manual Antenna Tuner 1.850 MHz 300W PEP HF/VHF Matching Network for Base and Field Use with Cross-Needle Power & SWR Meter
Item #: 92743795

Comet CAT-300 Manual Antenna Tuner 1.850 MHz 300W PEP HF/VHF Matching Network for Base and Field Use with Cross-Needle Power & SWR Meter

Item #: 92743795

USD 407

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Thursday, September 24
Our Top Logistics Partners
  • fedex
  • dhl
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step 1 Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Compact Design
The Comet CAT-300 features a compact and lightweight design, making it portable for operators who need an efficient solution for tuning antennas without heavy equipment.
Wide Range Tuning
With a 1.8 to 50 MHz tuning range, this manual antenna tuner accommodates a variety of frequencies, providing versatility for amateur radio enthusiasts and offering superior performance across bands.
Robust Build Quality
Constructed with high-quality materials, the CAT-300 ensures durability and reliability during use, making it an excellent investment for both beginners and seasoned operators seeking long-lasting performance.

Product Details

Shop Comet CAT-300 Manual Antenna Tuner 1.850 MHz 300W PEP HF/VHF Matching Network for Base and Field Use with Cross-Needle Power & SWR Meter online at a best price in Turks and Caicos. B001CQUPW4
AntennaDescriptionManual Antenna Tuner
BrandComet
ManufacturerComet
Number of Packs1
Unit Count1 Count
Number of Items1
Built-In MediaOne unit
Item Weight6 pounds (2.72 kg)
Model NumberCAT-300
Mfr Part NumberCAT-300
Number of Channels1
Impedance50 ohm
ColorBlack
Item Dimensions L x W x H10.04"L x 10.04"W x 3.82"H (25.5 x 25.5 x 9.7 cm)
AntennaManual Antenna Tuner
Product Dimensions (L x W x H)10.04"L x 10.04"W x 3.82"H (25.5 x 25.5 x 9.7 cm)

Who Should Buy?

Suitable For
  • Amateur Radio Operators

    Ideal for hams seeking to optimize their antenna setups for better transmission and reception across various bands.

  • Portable Operations

    Excellent for those who operate in remote locations and need a tuner that is lightweight and easy to transport.

  • DIY Enthusiasts

    Great for users who enjoy building and modifying their own antennas and need a reliable tuner to improve performance.

Not Suitable For
  • Beginner Users

    May overwhelm newcomers with complex settings; a more user-friendly option is advisable for those just starting.

Product Description

Comet CAT-300 Manual Antenna Tuner 1.850 MHz 300W PEP HF/VHF Matching Network for Base and Field Use with Cross-Needle Power & SWR Meter

About This Item

Looking to maximize the performance of your amateur radio antenna? Look no further than the Comet CAT-300 COMET コメット アンテナチューナー. This antenna tuner is a must-have for any serious radio enthusiast. The Comet CAT-300 features a wide frequency range of 1.8 - 60 MHz, allowing you to tune your antenna for optimal performance across various bands. With 11 bands to choose from, you'll have the flexibility to adjust your antenna to match the frequency you're operating on. With an input impedance of 50 ohms and an output impedance of 10 Ω - 600 Ω, this tuner is designed to handle a wide range of antenna setups.

It can effortlessly handle passthrough power of 300 W or less (SSB), ensuring that your signal remains strong and clear. The built-in lighting power supply operates on DC 11 V - 15 V and draws approximately 250 mA, providing a reliable and efficient power source for your tuner. The compact dimensions of W255 x H97 mm x D240 mm and lightweight construction of approximately 240 mm make it easy to integrate into your existing setup without taking up much space. Whether you're a seasoned ham radio operator or just starting out, the Comet CAT-300 COMET コメット アンテナチューナー is a valuable tool that will enhance your radio experience. Invest in this high-quality antenna tuner and unlock the full potential of your amateur radio equipment.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the CAT-300 Comet 1.8-50 Manual Antenna Tuner?

    Answer: The CAT-300 Comet 1.8-50 Manual Antenna Tuner is designed to match the impedance of your antenna system to your radio output. This optimizes the transmission efficiency and reduces signal loss. Proper impedance matching is crucial for effective communication, enhancing signal clarity, and extending the range of your transmissions. For amateur radio operators who are frequently upgrading or changing antennas, this tuner is essential for achieving the best performance.
  • Question: How does the tuning process work with the CAT-300 Comet?

    Answer: The tuning process with the CAT-300 Comet involves manual adjustments using variable capacitors and inductors to achieve the right impedance match. Users select the frequency band they wish to operate on and then tune until the SWR meter indicates a matched impedance. This hands-on approach allows for precise customization based on the specific conditions and setup you have, making it an excellent choice for experienced operators who prefer a manual touch.
  • Question: Is the CAT-300 Comet suitable for all types of radios?

    Answer: Yes, the CAT-300 Comet 1.8-50 Manual Antenna Tuner is compatible with most HF radios across various brands. It supports frequencies from 1.8 MHz to 50 MHz, making it versatile for different amateur radio operations. This compatibility ensures that no matter your radio setup, you can maintain a consistent performance level. Whether you're involved in SSB operation, CW, or digital modes, this tuner fits seamlessly into your existing arrangement.
  • Question: What type of antennas can the CAT-300 Comet tune?

    Answer: The CAT-300 Comet can tune a variety of antennas, including dipoles, verticals, and Yagis, among others. Its wide frequency coverage makes it effective for multi-band antennas, as it adjusts for different impedance levels. This versatility means amateur radio operators can use the tuner across various antenna types without needing multiple tuners. If you frequently switch antennas or have a complex setup, this tuner simplifies your operations.
  • Question: What are the key features of the CAT-300 Comet tuner?

    Answer: The CAT-300 Comet boasts several features, including a rugged construction, a built-in SWR meter, and adjustable tuning knobs. It has a power rating that supports up to 300 watts, making it suitable for robust applications. Additionally, it offers an easy-to-read label for frequency bands, facilitating quicker and more intuitive tuning. These features create an efficient user experience, whether you're in the field or operating from home.
  • Question: Can beginners use the CAT-300 Comet Manual Antenna Tuner?

    Answer: While the CAT-300 Comet is designed with advanced users in mind, beginners can also use it with some guidance. The manual tuning process provides valuable learning opportunities about antenna matching. Beginners should familiarize themselves with basic radio theory and impedance concepts, which can enhance their understanding of effective communications. Utilizing this tuner makes the learning process engaging as operators witness the immediate impact of tuning adjustments.
  • Question: What is the ideal setup for using the CAT-300 Comet?

    Answer: An ideal setup for using the CAT-300 Comet involves connecting it between your radio and antenna, ensuring that you have a quality coaxial cable for minimal loss. Positioning the tuner close to the antenna can also help improve performance. Before use, ensure that your antenna is adequately installed and away from interference sources. By optimizing your setup, you can make the most of this tuner, gaining clearer transmissions and improved reception.
  • Question: How can I maintain my CAT-300 Comet Manual Antenna Tuner?

    Answer: To maintain your CAT-300 Comet tuner, regularly check connections for corrosion or damage, ensuring clean contact points. Cleaning the tuning knobs and housing can prevent dust build-up and ensure smooth operation. Additionally, inspect the internal components occasionally if you're comfortable doing so. A little maintenance goes a long way in ensuring longevity and optimal performance, enhancing your overall amateur radio experience.
  • Question: Does the CAT-300 Comet require any external power?

    Answer: No, the CAT-300 Comet does not require external power to operate. It functions solely based on the RF (radio frequency) energy transmitted through your radio. This independence from external power sources makes it highly portable and convenient, accommodating field operations effortlessly. The lack of external power requirements also minimizes the complexity of setting up your station, making it user-friendly.
  • Question: Where can I buy the CAT-300 Comet 1.8-50 Manual Antenna Tuner?

    Answer: You can buy the CAT-300 Comet 1.8-50 Manual Antenna Tuner at Ubuy in Turks and Caicos. Ubuy offers a streamlined purchasing experience, often providing various options in shipping and support. By choosing Ubuy, you gain access to detailed product descriptions and customer assistance, ensuring you make an informed purchase tailored to your amateur radio needs.

Comet Radio Antennas CAT-300 Editorial Review

Comet CAT-300 Manual Antenna Tuner 1.850 MHz 300W PEP HF/VHF Matching Network for Base and Field Use with Cross-Needle Power & SWR Meter is a well-constructed manual tuner that is praised for its capability to handle various frequencies. Users have reported flawless tuning across bands and appreciate the included tuning guide for effective operation. However, some have mentioned that the lighted power and SWR meter screen can be hard to see without additional lighting, which may take time to adjust to. Nevertheless, overall experiences highlight its precision and excellent performance, making it a reliable choice for amateur radio operators.

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Flawless tuning across 10-40 MHz bands
  • High-quality construction and reliable performance
  • Easy to use with low power radios
  • Integrated power meter and antenna switch
  • Pre-calibrated from the manufacturer for convenience

Cons

  • Meter screen may require additional lighting for visibility

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9477 reviews
Read reviews
JK
Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
AG
Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
H
Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
AC
Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.