LED VSWR INDICATOR

HF antenna VSWR indicator LED lights from 5 to do shows in different colors indicate different VSWR LED range :1.0-1 .2 (green) ,1.2-1 .5 (green) ,1.5-2 .0 (yellow) ,2.0-3 .0 (orange), 3.0 or above (red).
No external power, small size, light weight, easy to carry, ideal for outdoor use.
Very simple to use, as long as the IIN which side is connected with the transmitter, OUT this side and the antenna connector on it, when firing HF RF power (> 5W), there will be light, green light standing wave antenna system that more low, very safe, yellow that standing slightly higher, you can use, orange light indicates the high standing wave, the antenna should be checked, troubleshooting, red is standing too high, should immediately stop firing, to avoid damage to transmission equipment, excluding failure.
Dimensions: 2.5 x 8 x 2.5cm
Weight: 84g

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