Here I will be posting comparison and data of GPS modules I have.
|Module||Chip||HDOP||Cold start sec. (indoor)|
so its series 8 ublox
So it seems it is u-blox ubx-g8030-kt with 2.01 firmware. Found that it has a formware upgrade:
But trying to update it to 3.01 all I got was “Flash Detection timed out.”.
Tips to increase baud rate and refresh time: