Smart LTE Module SeriesSmart EVB G2 User GuideSmart_EVB_G2_User_Guide39 / 5920KESDMIC_GNDMIC2_PHPH_LHS_DETHPH_RHPH_REF33pFModuleR10R63452133pF33pFC3C4C5F3F2F1D1 D2 D3 D4F4R2R30RFigure 27: Reference Design for Headset InterfaceThe following figure shows the pin assignment of headset interface.Figure 28: Pin Assignment of Headset InterfaceThe following table shows the pin definition of headset interface.654321