SKU selections and RF Feature options of SiP modules

SKU (Stock Keeping Unit) selections:
1) Package: BGA or QFN
2) Power inputs: 3.3V single voltage or 3.3/1.8V dual voltages
3) Interface: SDIO single mode or Localbus/SDIO dual modes
4) 32.768kHz Oscillator: internal or external
5) Standard: WiFi only or WiFi/Bluetooth Combo
RF Feature options:
1) In-package Filters for GSM/3GPP Coexistence
2) In-package Shield for EMI immunity