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3.6 Placement
The following requirements must be met:
Keep this product away from heat. Heat is the major cause of decreasing the life of these
products.
Keep this product away from other high frequency circuits.
Design Guide Rev. 1.0
Antenna Keep-out Area
Do not place any ground plane under the marked restricted antenna area in
any layer! This would be affecting the performance of the chip antenna in a
critical manner.
The above recommendation for the ground plane is based on a FR4 4-Layer
PCB.
PAN9420 Wi-Fi Module
3 PAN9420 Module
Page 10
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