CubePilot's NDAA compliant Here4 Blue Multiband RTK GNSS is a dual-band RTK GNSS module with Bluetooth 5.2. Combining flight control and navigation functions into a single device, it supports BeiDou, Galileo, GLONASS, GPS, and QZSS.
Multi-frequency differential processing is designed to obtain a centimeter-level RTK fix within seconds. The AP-Periph open-source platform permits further development and customization. Bluetooth 5.2 provides a local wireless connection for supported configuration and integration tasks.
The module incorporates a dual-core STM32H757 processor and a magnetic compass. Vehicle and expansion interfaces include an RC input, hot-shoe and camera-trigger connections, Bluetooth, DroneCAN FD, PWM control, and BDSHOT outputs.
Specifications:
| PWM Or BDSHOT Outputs | 8 |
| DroneCAN FD Data Rate | 8 Mbps |




