In the WLAN Tester 2.0 heatmap, the tip box displays the information as shown in the figure below. According to the information in the figure, which statement is correct?

In the WLAN Tester 2.0 heatmap, the tip box displays the information as shown in the figure below. According to the information in the figure, which statement is correct?

A . Tip displays the signal information around the point
B . Tip box must be placed on the heatmap for 3S and above to be displayed
C .  The SINR and PHY Data Rate not shown in the Tip box are all 0
D . The Tip box only displays the SINR and PHY Data Rate of the maximum field strength value

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Answer: D