PAN4620 802.15.4 and Bluetooth LE Module
3 PAN4620 Module
Integration Guide Rev. 1.0
Page 10
3.3 Placement
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 recommendation for the ground plane is based on a FR4 4-Layer PCB.
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.
Antenna Placement Recommendation