More Amateur Radio Transceivers:
AMAZON | eBay

Comet CAT-300 Manual Antenna Tuner 1.8–50 MHz 300W PEP HF/VHF Matching Network for Base and Field Use with Cross-Needle Power & SWR Meter

Easily tune your antenna for the best performance across all your favorite HF and VHF bands

Product Price

$279.99

Product Review Score

4.38 out of 5 stars

68 reviews

Product Summary

The Comet CAT-300 is a solid antenna tuner that works smoothly across a wide range of frequencies, from 1.8 to 50 MHz, handling up to 300 watts of power. With its handy cross-needle power and SWR meter, it makes tuning your setup a breeze whether you're at home or out in the field.

We found the best options for you

Loading...

When you order through these links, we may earn a commission at no additional cost to you.

Additional Product Details

  • High-performance manual antenna tuner covering 1.8–50 MHz for HF and 6-meter operation
  • Handles up to 300 watts PEP, perfect for most base and mobile setups
  • Improves signal quality and reduces reflected power for clearer communication
  • Integrated cross-needle meter shows forward and reflected power along with SWR for easy tuning
  • Wide matching range of 3–300 ohms works with dipoles, verticals, long-wires, and beam antennas
  • High-quality variable capacitors and inductor coil ensure reliable manual tuning precision
  • Durable metal chassis designed for both portable use and permanent installations
  • Intuitive front-panel controls make tuning simple and fast for any operator

Reliable antennas that boost your communication experience

View more Comet Attenas products.

Our Policies

Secure Checkout
Guaranteed safe & secure
Fast Shipping
Fast shipping to your doorstep
Diamond Antenna K400 Series Trunk and Hatchback Mounts K400C

Diamond K400 Trunk Mount

Product Review Score

4.73 out of 5 stars

228 reviews

$81.99

Diamond Antenna Dual-Band Mobile Antennas NR770HBNMO

Diamond Dual-Band Mobile Antenna

Product Review Score

4.81 out of 5 stars

191 reviews

$65.99

CX310A Diamond Antenna Original Heavy Duty Wideband Coax Switch

CX310A Heavy-Duty Coax Switch

Product Review Score

4.53 out of 5 stars

131 reviews

$103.99

Diamond Antenna MX3000N Triplexer

Diamond MX3000N Triplexer

Product Review Score

4.2 out of 5 stars

110 reviews

$94.99