CQV-SWR-508 1.8-54MHz 200W SWR & Power Meter Digital PWR SWR Meter w/ 4.3"Screen
Working frequency: 1.8-54MHz. - High standing wave alarm: standing wave alarm point can be set. - Standing wave range: 1-99.9 (when the standing wave is greater than 2.0, it will sound the alarm. - Standing wave fine-tuning function (±20%). ).