COMET CAA 500 Antenna Analyser Review

This is a high performance Antenna Analyser, designed particularly for ham radio. The Japanese quality shows through. We will have it back in stock shortly.

AA-500MARKII SWR/Impedance Analyzer

Highly accurate analog cross needles display SWR and impedance simultaneously.

Full color TFT LCD display screen provides graphic and numerical SWR along with total impedance with R and X values.



Automatically graphs the SWR on the LCD display.   Choose any one of the pre-set amateur band frequency ranges and press the sweep button…in about 30 seconds the SWR graph is completed.


Choose the band,  manually set the band-width you desire, then manually sweep the chosen frequency range.


Should you want to make an adjustment to the antenna length, the position, height above ground, a gamma match adjustment, etc… you can overlay multiple manual sweep results in 5 different colors!  Instantly graph and see exactly what happened after each adjustment!

Range: 1.8 – 500MHz (including 222MHz band)

  • RF output level:  0dBm 1 mW
  • Measured SWR Range:  Analog meter 1.0 – 6.0:1 , LCD display 1.0 – 9.9:1
  • Impedance measurements: 12.5-300 ohms
  • Reactance range:  0 – 500 Ohms (absolute value) 1.8 -190MHz
  • Battery indicator and selectable Auto-Power-Off timer
  • Operates up to 9 hours continuous using six AA Alkaline or NiMH cells (not included) or use an external 8-16VDC 200ma power source (DC cable included)
  • Internal trickle charger option when using NiMH batteries
  • Size: 3.5 x 7.75 x 2.65 inches (overall)
  • Weight: 2 lbs 2 oz with alkaline batteries installed
  • Available from all major Ham Radio Dealers in the US





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