What wireless communication modules are optional for the EC312?

What wireless communication modules are optional for the EC312?

Depending on the specific sub-model selected, the EC312 can support:
      Cellular: 5G (SA/NSA) or LTE (Cat4/Cat1).
      Wi-Fi: Dual-band 2.4G/5G (802.11ac/a/b/g/n).
      Positioning: Optional GPS satellite positioning.
      Short Range: Bluetooth Low Energy (BLE) 4.2.