EN
Here 4 is a professional High Precision Dual-band RTK Navigation module. It supports multiple GNSS options such as BeiDou,
Galileo, GLONASS, GPS, 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, Hotshoe, and camera trigger, it offers a self-contained solution for accurate mapping and precise control capabilities. -
Equipped with u-blox F9P, a professional high precision Dual-band RTK navigation module. - 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 L1and L5 frequencies. It features high gain, high
sensitivity, and high stability. - Here 4 provides built-in Drone-ID feature. *Blue version supports Drone-ID - 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. - The Here 4 module is 16 x 68mm and 60g. - 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. - CAN FD, real time, and high transmission rate. - Built-in IMU. Through future firmware updates, Here 4
can achieve tightly coupled DGNSS-INS-fusing solutions.
Product Detail
GNSS module：NEO-F9P
Processor：STM32H757
IMU sensor：ICM42688+RM3100
Barometer：MS5611
Communication Protocol：DroneCAN 8Mbit/s
Receiver type：Dual-band GNSS high precision receiver
GNSS systems：GPS, GLONASS, Galileo and BeiDou + SBAS and QZSS
Satellite bands：B1I, B2a, E1B/C, E5a, L1C/A, L1OF, L5
Maximum GNSS systems：4
Navigation update rate (RTK)：up to 20 Hz
Positioning accuracy：0.01 m + 1 ppm CEP
Maximum speed：500 m/s
Convergence time (RTK)：< 10 sec
Acquisition：Cold starts 25s；Aided start 2s；Hot start 2s
Sensitivity：Tracking & Navigation: –167 dBm；Cold starts: –148 dBm；Hot starts: –157 dBm；Reacquisition: –160 dBm
Antenna：Dual band antenna
Protocols：NMEA、UBX binary、RTCM 3.3、SPARTN 2.0.1
Anti-spoofing：Advanced anti-spoofing algorithms
CAN：x2（Current firmware only supports CAN1-green、blue、white、grey）
Working Temperature：-40 °C to +85 °C
Size：16 x 68 mm
Weight：60g (with cable)
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FAQ
Q1: What is the Minimum Order Quantity(MOQ)?
A1: No quantity limited, Sample order or small order is acceptable, but the customers have to pay the sample cost and the courier cost.
Q2: What is the lead time?(How long will it take to prepare my goods?)
A2: 2-3days for sample orders, 10-15 days for bulk orders.(The exact time will be based on the requirements)
Q3: How will you deliver my goods to me?
A3: Normally, we will ship the goods by air, by sea and by express.
Q4: Can you print my own logo on the products?
A4: Yes, of course. Not only the logo, but also the packing design and other OEM services are available.
Q5: What is your product quality?
A5: Our raw materials are all purchased from qualified suppliers. And we have very strict QC standard to assure our final products meet your requirements.
Q6. Do you test all your goods before delivery?
A6: Yes, we have 100% test before delivery.
Q7: What is your warranty?
A7: Our warranty is 12 months after you received the goods. We will pay high attention to after-sales service.
