@smarttracker Is this your board?
https://www.lilygo.cc/en-ca/products/t-sim-a7670e?_pos=1&_psq=A7670G&_ss=e&_v=1.0&variant=42737494458549
Some are purchased for less cost without GPS. GPS is a added cost option.
Screenshot 2023-11-24 at 11.19.06 PM.png
Sorry if this is not helpful to your situation.
The A7670G is a LTE cellular chip.
-Terry
S