The VS-i8 from Hemisphere is a GNSS Module with Accuracy 0.3 to 3.5 m(Horizontal), 0.025 to 0.6 m(Vertical), Tracking Sensitivity -142 dBm(GPS Sensitivity), Update Rate 10 Hz / 20 Hz / Up to 100 Hz, Voltage 5 V(Antenna), Supply Voltage 9 to 36 V. Tags: Module with Connectors, Module. More details for VS-i8 can be seen below.