The Here 4 is a professional High Precision Dual-band RTK Navigation module. It supports multiple GNSS options such as BeiDou, Galileo, GLONASS, GPS, and QZSS. The Here 4 utilizes advanced algorithms and multi-frequency DGNSS signals to quickly achieve an RTK Fix within seconds. This results in highly reliable positioning at an accuracy within centimeters. The Here 4 goes beyond being a simple GNSS module. It combines flight control and navigation functionalities into a single device. With 8 PWM or BDSHOT outputs, an RCIN, a Hotshoe, and a camera trigger, it offers a self-contained solution for accurate mapping and precise control capabilities. VIDEO: Setup and configure a CANBus GPS in Mission Planner: Here4 setup guide Features LED embedded with ProfiLEDs. Built-in multiple display modes for notification or navigation signals. Display modes can be selected according to specific scenarios via parameters or onboard Lua Scripting. Here 4 uses multi-frequency DGNSS signals with advanced algorithms. This allows fast convergence to an RTK Fix, achieving more reliable and stable centimeter-level positioning. Powerful processing performance provided by a built-in STM32H7 chip. It offers real-time processing and data optimization, and Unmanned Industry standard AP_Periph Firmware. The tailor-made Dual-band antenna from Taoglas supports L1 and L5 frequencies. It features high gain, high sensitivity, and high stability. Built-in IMU. Through future firmware updates, Here 4 can achieve tightly coupled DGNSS-INS-fusing solutions. Equipped with u-blox F9P, a professional high-precision Dual-band RTK navigation module. CAN FD, real-time, and high transmission rate. The Here 4 module is 16 x 68mm and 60g. Specifications GNSS systems: GPS, GLONASS, Galileo, and BeiDou + SBAS and QZSS Receiver type: Dual-band GNSS high-precision receiver Protocols: NMEA, UBX binary, RTCM 3.3, SPARTAN 2.0.1 Satellite bands: B1I, B2a, E1B/C, E5a, L1C/A, L1OF, L5 Anti-spoofing: Advanced anti-spoofing algorithms Communication Protocol: DroneCAN 8Mbit/s Positioning accuracy: 0.01 m + 1 ppm CEP Navigation update rate (RTK): up to 20 Hz Sensitivity: Tracking & Navigation: –167 dBm Reacquisition: –160 dBm Cold starts: –148 dBm Hot starts: –157 dBm Convergence time (RTK): < 10 sec IMU sensor: ICM42688+RM3100 Antenna: Dual-band antenna Maximum GNSS systems: 4 Maximum speed: 500 m/s GNSS module: NEO-F9P Processor: STM32H757 Acquisition: Cold starts: 25s Aided start: 2s Hot start: 2s Barometer: MS5611 Links NDAA Compliance Manual Includes 1x CubePilot Here4 Multiband RTK GNSS Module
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