Comet CX-333 Tri-Band VHF UHF Base Antenna 144/430/1200 MHz 2M/70CM/1.2G 200W Max 6.5 dBi Gain Omni-Directional Vertical Fiberglass Antenna for Amateur and Repeater Use

The Comet CX-333 Tri-Band Base Antenna delivers exceptional wide-band coverage for serious amateur radio operators who require high performance, reliability, and efficient installation. Covering 144–148 MHz, 430–450 MHz, and 1200–1300 MHz, this antenna enables seamless multi-band operation from a single vertical unit, eliminating the need for multiple antennas. Built with a fiberglass radome and stainless-steel hardware, the CX-333 is designed for long-term use under demanding outdoor conditions. It resists corrosion, UV degradation, and moisture intrusion, maintaining excellent electrical performance year after year. The omni-directional vertical design provides 360-degree coverage, ensuring consistent transmission and reception in all directions. Offering 6.5 dBi gain on VHF, 9.0 dBi gain on UHF, and 8.0 dBi on 1200 MHz, the CX-333 enhances signal strength, reduces dead zones, and provides a clear, stable connection for both analog and digital communication systems. With a power rating of 200 W and VSWR under 1.5:1, this antenna efficiently handles modern transceivers and repeaters without performance loss. The included mast-mount bracket and SO-239 connector make installation simple and reliable with standard coaxial cables. Whether used for amateur radio, public-service repeaters, or monitoring applications, the CX-333 combines superior gain, durability, and ease of use in one premium base antenna trusted worldwide by communication professionals.

• The Comet CX-333 is a tri-band base station antenna engineered for superior performance across 144, 430, and 1200 MHz, making it perfect for amateur operators needing multi-band coverage in one durable vertical unit.
• Constructed from high-strength fiberglass with stainless hardware, the CX-333 offers outstanding resistance to UV, moisture, and corrosion, ensuring long-term reliability even in extreme weather or coastal environments.
• The antenna’s gain of 6.5 dBi on VHF, 9.0 dBi on UHF, and 8.0 dBi on 1200 MHz delivers exceptional transmission distance and clear signal reception, optimizing both base and repeater performance.
• Featuring an omni-directional radiation pattern, this vertical antenna provides 360-degree coverage with consistent gain and minimal signal drop, ideal for local, regional, and cross-band communication.
• Installation is straightforward with the included stainless mast bracket and standard SO-239 connector, providing compatibility with RG-8/U, RG-213/U, and other popular 50-ohm coaxial cables used in amateur setups.