Description
Here4 is a professional High Precision Dual-band RTK Navigation module. It supports multiple GNSS options such as BeiDou, Galileo, GLONASS, GPS, QZSS.
The Here4 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 Here4 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.
Features
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Equipped with u-blox F9P, a professional high precision Dual-band RTK navigation module.
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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.
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The tailor-made Dual-band antenna from Taoglas supports L1and L5 frequencies. It features high gain, high sensitivity, and high stability.
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*Blue version supports Drone-ID.
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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.
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The Here 4 module is 16 x 68mm and 60g.
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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.
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CAN FD, real-time, and high transmission rate.
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Built-in IMU. Through future firmware updates, Here 4 can achieve tightly coupled DGNSS-INS-fusing solutions.
Centimeter level high-precision positioning:
Equipped with the uBlox NEO-F9P L1/L5 RTK Multi Constellation GNSS module. Fastest lock times of any of the standard Here GPS series. Reliable centimeter-level navigation.
More onboard compute and mems:
Built-in STM32H757 dual-core processor. The combination of the RM3100 magnetic compass and ICM42688 sensor has better performance in more applications.
Integrated module with multiple features:
Here4 is more than a GNSS module. It has both flight control and navigation capabilities. Fitted with 8 PWM or BDSHOT outputs, an RCIN, a Hotshoe, and a camera trigger, accurate mapping has never been more self-contained.
Supports further expansion/customization:
The reliable DRONECAN FD communication protocol ensures fast (8Mbps) and stable transmission. Based on the AP-Periph open-source platform, users can better carry out further development and customization.
SPECIFICATION
GNSS module |
NEO-F9P
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Processor
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STM32H757
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IMU sensor
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ICM42688+RM3100
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Barometer
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MS5611
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Communication Protocol
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DroneCAN 8Mbit/s
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Receiver type
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Dual-band GNSS high-precision receiver
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GNSS systems
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GPS, GLONASS, Galileo and BeiDou + SBAS and QZSS
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Satellite bands
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B1I, B2a, E1B/C, E5a, L1C/A, L1OF, L5
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Maximum GNSS systems
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4
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Navigation update rate（RTK）
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up to 20 Hz
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Positioning accuracy
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0.01 m + 1 ppm CEP
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Maximum speed
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500 m/s
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Convergence time（RTK）
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< 10 sec
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Acquisition
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Cold starts 25s Aided start 2s Hot start 2s
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Sensitivity
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Tracking & Navigation: –167 dBm Cold starts: –148 dBm Hot starts: –157 dBm
Reacquisition: –160 dBm
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Antenna
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Dual-band antenna
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Protocols
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NMEA; UBX binary; RTCM 3.3; SPARTN 2.0.1
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Anti-spoofing
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Advanced anti-spoofing algorithms |
