The Navisys GR-903, recognized for its capabilities as an RTK GNSS receiver featuring both Bluetooth and USB interfaces, has recently been enhanced with the addition of the free Android app SPORTK. This update transforms the GR-903 into a more versatile tool.
Serving as:
a. An RTK GNSS data logger,
b. A GNSS receiver with centimeter-level accuracy,
c. And a portable RTK Base Station.
For more detail, please refer to Navisys GR-903 product page here.