Comet CAA-500MarkII Antenna Analyzer 1.8-500 MHz Handheld SWR Impedance Tester with Color Display Battery Operation Portable HF VHF UHF Analyzer for Amateur and Commercial Radio

The Comet CAA-500MarkII Antenna Analyzer is a professional-grade instrument engineered for accurate measurement and tuning of antennas, feedlines, and matching networks across HF, VHF, and UHF bands. Covering a wide frequency range of 1.8 MHz – 500 MHz, it delivers real-time analysis of SWR, impedance, reactance, and phase angle, allowing operators to optimize their antennas for maximum transmission efficiency and minimal signal loss. Featuring a high-resolution color TFT display, the CAA-500MarkII clearly plots SWR curves and impedance points, helping users visualize antenna performance at a glance. Whether tuning base station Yagis, mobile whips, or portable verticals, the fast-scanning microprocessor provides smooth, accurate frequency sweeps with instant response. Engineered for portability, this analyzer operates on standard AA batteries or external DC power, making it suitable for field testing, tower work, or emergency setup verification. Its N-type 50-ohm connector ensures stable, low-loss measurements, while the rugged housing withstands transport and repeated use in demanding environments. With advanced electronics and Comet’s precision RF design, the CAA-500MarkII offers superior accuracy over legacy analyzers, reducing guesswork and improving tuning efficiency. It’s the trusted tool for amateur radio operators, broadcast technicians, and RF engineers who require dependable, laboratory-grade performance in a handheld format.

• The Comet CAA-500MarkII antenna analyzer provides precise measurement of SWR, impedance, reactance, and resonance points from 1.8 MHz to 500 MHz, making it ideal for HF, VHF, and UHF antenna tuning and diagnostics.
• Equipped with a large color LCD display, the CAA-500MarkII visually presents real-time graphs of VSWR and impedance characteristics, simplifying antenna adjustments and helping users identify mismatched frequencies instantly.
• Designed for portability and field use, this analyzer operates on internal batteries or external DC power, providing flexibility for mobile operators, field engineers, and station installers who require on-site tuning accuracy.
• The analyzer uses an internal microprocessor for fast sweep response and high-resolution data collection, enabling accurate readings even on complex multi-element or wide-band antennas commonly used in modern radio systems.
• Built with Comet’s reputation for engineering excellence, the CAA-500MarkII combines durable construction with precision circuitry, offering long-term reliability for amateur operators, service technicians, and RF professionals alike.