How to configure base and rover using modem 3g - rtk by internet movel

Reach Module / M+ / M2 Getting started
2

Hi,

Firstly, you should configure your 3g modem to work with Reach, check this post for more information:

Then you should configure base and rover to send and receive corrections over TCP, take a look at the docs:
https://docs.emlid.com/reachrs/common/reachview/base-mode/
https://docs.emlid.com/reachrs/common/reachview/correction-input/#tcp