Specifications

Smart Machine Smart Decision
SIM7080G _Hardware Design _V1.03 48 2019-12-13
Figure 31: The distance between GND to the inner conductor of SMA
 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
thedocument [22].