Appendix C: Radio Antenna Patterns
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C
Radio Antenna Patterns
This section presents information about the radio antenna patterns for the Anybus Wireless Bolt.
The diagram scale shows relative RSSI values, where the outer ring represents maximum radio
power and is labelled 0 dB. The inner rings represent the increasing attenuation in dB measured
in different angles around the Bolt, while maintaining the same distance.
C.1
Azimuth (Horizontal) View
This diagram shows the horizontal antenna pattern when looking at the Bolt from above, i.e.
looking at the top logo from above.
Diagram analysis: the diagram displays an omnidirectional antenna gain regarding 2.4 GHz (blue
line) which is used for Bluetooth and Wireless LAN 2.4 GHz. However, it also shows that Wireless
LAN 5 GHz (orange line) has a limited antenna gain in the approximate directions 105° to 190°, i.
e. the 5 GHz range will be limited in this direction.
Limited gain for 5 GHz between 105° to 190°.
Anybus
®
Wireless Bolt Serial
™
User Manual
SCM-1202-143 1.10 en-US
