VEGA WHA-GW-WIRELESSHART GATEWAY - Manual (Page 20)

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2011
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WHA-GW-*
Installation
3.1.3 Examples for Good and Poor Positioning
Figure 3.3Wave propagation, schematic representation (alpha = approx. 45°, may vary considerably)
Figure 3.4Good positioning: Devices are within each others antenna range
1 Weaker signal above and below; almost no signal directly above and below
2 Stronger signal sideways
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y