[redwards510]

Then why does it say this:

    we also settled on the number, and the implementation of, privacy switches on the phone – there will be 4 switches in total: for the i) BT/Wifi module, ii) the modem, iii) cameras (front/back) and iv) lastly for the microphone.

and right on the pinephone page it says it has this chip:

https://www.quectel.com/product/eg25g.htm

    Key Benefits

    ● LTE Cat 4 module optimized for M2M and IoT applications
    ● Worldwide LTE, UMTS/HSPA+ and GSM/GPRS/EDGE coverage
    ● Multi-constellation GNSS receiver available for applications requiring fast and accurate fixes in any environment
    ● Feature refinements: supports DFOTA*, eCall and DTMF*
    ● MIMO technology meets demands for data rate and link reliability in modem wireless communication systems

Sounds like a cell radio to me.