ArduSimple simpleRTK3B mPCIe RTK Boards allow for high-precision RTK GNSS positioning on Mini PCI Express platforms and compatibility with Septentrio Mosaic. The ArduSimple simpleRTK3B mPCIe board is designed for MiniPCIe full-size sockets. To facilitate connection to multiband GPS/GNSS antennas, a µFL to SMA pigtail is required. The device is a Triple-Band MiniPCIe upgrade card for enhancing a MobileCM Dual-Band GNSS Base Station. The board is ideal for space weather station applications.