The primary tool for any antenna adjustment, diagnostic, or building project!

  • Measures and displays antenna properties without the need for a separate transmitter and SWR bridge.
  • Highly accurate analog meter displays SWR and impedance in real time, continuously, as you sweep the selected frequency range.
  • Seven frequency ranges from 1-8 MHz to 500 MHz including the 222 MHz band!
  • Thumb wheel frequency adjustment effortlessly sweeps the chosen operating range.
  • Two antenna connectors: SO-239 for 1.8-255 MHz and N-female for 300-500 MHz.
  • Operates 12-14 hours with six AA internal batteries (with low battery indicator) or from external 8- 16 VDC 180 mA power source.
  • Impedance: 12.5-300 Ohms.
  • VSWR: 1:1 to infinity digital readout accurate to 1 kHz.


CAA500 Data Sheet

30 Day No-Fault Guarantee Policy

Additional information

Weight 10 lbs
Dimensions 12 × 12 × 12 in


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