LiAir
22
0N User Guide • GreenValley International Inc.
Page 15
Figure 5. Power and USB Interface
(3)
Calculate the antenna height
Measure the oblique distance from antenna bottom edge to the ground for more than three-times,
take the mean value as H1.
Antenna height (m) = (0.05 − 0.046) + √(𝐻1)
2
− (
0.1515
2
)
2
Figure 6. Calculate Antenna Height