OSC_OUT1OSC_IN2VCC3AUDIO_FEEDBACK4RSSI_OUT5POWER_DOWN6DATA_OUT7QUADRATURE_IN8LIMITER_OUT9LIMITER_DECOUPL10LIMITER_DECOUPL11LIMITER_IN12GND13IF_AMP_OUT14IF_AMP_DECOUPL15IF_AMP_IN16IF_AMP_DECOUPL17MIXER_OUT18RF_IN19RF_IN_DECOUPL20EP21