Polaris Connect app helps you to connect your Polaris S100 RTK receivers with a specified NTRIP caster via Bluetooth interface.

You can then build an RTK system for centimeter precision positioning.

Polaris NTRIP Server/Client supports NTRIP 1.0 protocol.

Polaris NTRIP Client supports VBS-RTK (or VRS-RTK) services like e-GNSS，千寻位置.

You can purchase Polaris Alpha+ Multiple-Frequency RTK Receiver from https://www.polaris-gnss.com

Be sure to set "Settings->Developer Options->Mock location app" to this app before use.