The M300 RTK obtains real-time differential data in the following two ways:

1. By connecting to the D-RTK 2 Mobile Station (RTCM3.2).

2. By connecting the remote controller to an NTRIP network RTK service through a 4G dongle or a WiFi hotspot (supports RTCM3.0/RTCM3.1/RTCM3.2).