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Design Note DN033

Figure 16: How to Relate the Antenna to the Radiation Patterns

Figure 17: 868 MHz Radiation Patterns

Polarization

Vertical pol. [dBd] Horizontal pol. Power gain [dBd]

YZ Plane

AVE.

  • -

    3.3

  • -

    11.6

  • -

    2.7

MAX.

  • -

    0.9

  • -

    6.6

  • -

    0.8

AVE.

MAX.

AVE.

MAX.

-8.5

-5.3

-20.2

-16.6

-5.8

-1.5

-5.0

-0.4

-3.9

-0.7

-4.8

-0.4

ZX Plane

XY Plane

3 Plane total

  • -

    3.7

Table 4. 868 MHz Gain in Each Measurement Plane

SWRA307A

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