Smart Machine Smart Decision
SIM7000 _Hardware Design _V1.04 2018-1-31
GND pads around the ANT pad should not be hot pad to keep the GND complete.
4.4.2 LTE ANT and other system ANT decoupling
Make sure the efficiency of LTE main ANT more than 40%
Keep the decoupling of LTE main ANT to WLAN ANT more than 15dB
Keep the decoupling of LTE main ANT to GNSS ANT more than 30dB
Note: The decoupling value can be provided by ANT adventure. More details can refer to the
document [22].
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