User's Manual

BT85x Series
Datasheet
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9 A NTENNA P ERFORMANCE
Table 17, Figure 12, and Figure 13 shows the antenna gain and performance.
Table 17: Antenna gain
Unit in dBi @ 2440 MHz XY-plane XZ-plane YZ-plane
Efficiency
AT3216-B2R7HAA
Peak Avg. Peak Avg. Peak Avg.
1.7 -2.9 2.3 -2.3 0.2 -5.4 55%
Figure 12: Antenna return loss