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Pass corrections between
your RTK GNSS receivers
over the Internet

Emlid Caster is an easy way to pass RTK corrections
between your receivers through the Internet. Our
caster works with Reach and any other receivers with
NTRIP support. The service is available for
free and works worldwide.

Emlid NTRIP Caster
Emlid NTRIP Caster

How Emlid Caster works

Just sign up and start using

The Emlid Caster is extremely easy to use.
Just sign up and your NTRIP credentials will be generated automatically. You can start using the caster immediately. Connectivity is limited
to 5 bases and up to 10 rovers at the same time.
If you need more connections, check Caster Pro.

Just sign up and start using the Emlid Caster

Configure corrections
on your receivers
Enter NTRIP credentials on 
your base station and rover

On a base

  • Go to Reach settings.
  • Go to Correction output.
  • Select NTRIP.
  • Fill in the credentials of
    your mount point.

On a rover

  • Go to Reach settings.
  • Go to Correction input.
  • Select NTRIP.
  • Fill in the credentials for
    your rover.

To work with NTRIP, you need to connect your receivers to the Internet

For Reach RS+, Reach M+, and M2

Turn on mobile data on your smartphone and share it over Wi-Fi hotspot. Reach will connect to your network and get access to the Internet.
Check the tutorials about how to connect Reach to other networks: Reach RS+ and Reach M+/M2.

For Reach RS2 / RS2+

Insert a SIM card and enable Mobile data
on Reach RS2 / RS2+, or turn on mobile data on your smartphone and share it over Wi-Fi hotspot.
Check the tutorial about how to connect Reach RS2 / RS2+ to other networks.

Have a question?
Ask our team

Email us at  or fill in the contact form. Our application engineers will reply to you within a working day
(9:00-18:00 CET).

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