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 — Open-Box, 9% Off

The Comet CAT-300 is a high-performance manual antenna tuner covering 1.8–50 MHz for HF and 6-meter operation, enabling precise impedance matching between your transceiver and antenna system for maximum power transfer.

Built with a wide 300-watt PEP power rating, this tuner easily handles most base and mobile amateur radio setups, improving signal quality and reducing reflected power for clearer communication and longer equipment life.

Features an integrated cross-needle meter that simultaneously displays forward and reflected power along with SWR, allowing fast visual tuning and real-time transmission monitoring without external instruments.

Offers broad matching range of 3–300 ohms, ensuring compatibility with dipoles, verticals, long-wires, and beam antennas; includes high-quality variable capacitors and inductor coil for reliable manual tuning precision.

Designed with durable metal chassis construction and intuitive front-panel controls, the CAT-300 is compact enough for portable field use yet robust for permanent base-station installations, ideal for amateur operators who demand performance and longevity.

The Comet CAT-300 Manual Antenna Tuner provides unmatched control for amateur radio operators who demand precision matching across a wide range of HF and 6-meter frequencies. Covering 1.8–50 MHz, the CAT-300 ensures optimal impedance matching between your transceiver and antenna system, reducing SWR and improving overall transmission efficiency. Designed around a classic T-network configuration, this tuner delivers exceptional versatility, capable of matching antenna systems with impedance from 3 to 300 ohms. With a power handling capacity of up to 300 watts PEP, it is ideal for high-frequency base stations, mobile setups, or portable operations in the field. The front-panel cross-needle meter displays forward and reflected power simultaneously, offering a fast and accurate visual SWR reference during transmission. An illuminated meter option allows clear readability even in low-light environments. Durable and compact, the CAT-300 features a heavy-duty metal chassis that withstands daily station use and portable field deployment. It connects easily via SO-239 connectors and provides a bypass switch for instant transfer between tuned and direct modes. Whether you’re fine-tuning a dipole, vertical, or multi-band antenna, the Comet CAT-300 delivers precise performance, efficient power delivery, and the legendary reliability expected from Comet antenna accessories.