Lte Ant And Other System Ant Decoupling - SimCom SIM7000 Hardware Design

GND pads around the ANT pad should not be hot pad to keep the GND complete.
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4.4.2 LTE ANT and other system ANT decoupling

Make sure the efficiency of LTE main ANT more than 40%
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Keep the decoupling of LTE main ANT to WLAN ANT more than 15dB
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Keep the decoupling of LTE main ANT to GNSS ANT more than 30dB
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Note: The decoupling value can be provided by ANT adventure. More details can refer to the
document [22].
SIM7000 _Hardware Design _V1.04
Smart Machine Smart Decision
2018-1-31