<p><b>H-RTK F9P is the latest differential high-precision GNSS positioning</b> system series from Holybro. This system provides multi-band RTK with fast convergence times and reliable performance, concurrent reception of GPS, GLONASS, Galileo and BeiDou, and fast update rate for highly dynamic and high volume applications with centimeter-accuracy. It uses a <b>UBLOX F9P module</b>, a <b>IST8310 compass, and a tri-colored LED indicator</b>. It also has a integrated safety switch for a simple and convenient operation.</p><p><br></p><p>This model uses a <b>helical antenna</b>, which has better performance than the lite version. This model can be <b>used both on rover (aircraft) or as base station</b>. The aluminum alloy shell design also has a integrated safety switch and a tri-colored LED indicator, and it is compatible with the open source Pixhawk series flight controller.<br></p><p><b>PX4 Autopilot users:</b></p><p><br></p><p>The GPS RGB LED Driver Chip has been updated. Ensure the PX4 firmware is Stable Release v1.12.2 or newer for proper LED driver Support.</p><p><b>Ardupilot User:</b></p><p><br></p><p>If unable to preform normal compass calibration "compass dance" for any reason, set parameter COMPASS_ORIENT=6 (Yaw270) for proper compass orientation.</p><p><br></p><p><b>Note: GPS2 port on both Pixhawk &amp; Cube does not support Safety Switch function. You can use an external safety switch or disable the safety switch on ground control station application.</b><br></p><p><img src="/web/image/386446/h-rtk-f9p-helical-holybro-pin.png?access_token=533c9e87-5469-4412-9372-26b89ab65cf3" class="pull-left" style=""><br></p>