Specification:
Brand: RadioMaster
Product Name: Nexus-XR Helicopter Flight Controller
Firmware: Rotorflight 2.2
MCU: STM32F722RET6
Gyro (IMU): ICM42688P
Flash Memory: 256MB (W25N02KVZEIR)
Built-In Barometer: SPL06-001
UART Ports: 5 - S.BUS[UART1], TELEM[UART2], PORT-A[UART4], PORT-B[UART6], PORT-C[UART3]
Servo Ports: S1, S2, S3, Tail (Supports up to 12V)
RPM Sensor: 1 - From ESC
AUX Port: 1
External Voltage Input: 3.6-70V
Receiver Compatibility: CRSF, ELRS, GHOST, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, MSP
Power Supply Voltage (DC): 5 - 16V
Port Power Output (A-B-C): 5V - 1.5A
Telemetry Protocols: S.BUS, HoTT, S.Port, MSP, EdgeTX, ELRS
ESC-Compatible Protocols: PWM, Oneshot, Multishot, Dshot
Tail Servo Support: 760μs/1520μs Servo
Tail Motor Drive Support: Yes
Internal Receiver Specs: RP4TD-M ExpressLRS 2.4GHz Receiver
MCU: ESP32
Type: ISM
RF: SX1281 x 2
Antenna: 65mm 2.4GHz Wire Antenna x 2
Frequency: 2.4GHz
Max Update Rate: 500Hz / F1000Hz
Telemetry Radio Power: Max 2x 10mW
Wifi Update Support: Yes
Firmware: RadioMaster RP4TD-M 2400 RX
Bus Interface: CRSF
Dimensions: 44.70 x 26.50 x 14.30mm
Weight: 24.1g

Feature:
- Built-In ExpressLRS Receiver: SX1281 2.4GHz dual transceivers ensure smooth performance without the need for external receivers.
- Rotorflight 2.2 Optimized: Designed for peak performance, seamless compatibility, and advanced flight stabilization.
- Precise Control: STM32F722 MCU and ICM42688P 6-axis motion sensors for vibration resistance and interference suppression, ideal for electric and gas-powered helicopters.
- Expanded Data Storage: 256MB flash memory doubles storage capacity for recording flight data and fine-tuning.
- Dual Antenna Design: Equipped with two 65mm antennas to improve signal strength and extend flight range.
- Versatile Connection Options: Multi-function UART ports support CRSF, ELRS, S.BUS, and more communication protocols.
- Enhanced PWM Outputs: Provides reliable control in complex setups with additional PWM pins for smooth operations.
- CNC Aluminium Case: Protects internal components while doubling as a heat sink for optimal thermal management.
- Tail Servo and Motor Support: Compatible with high-voltage tail servos (760us/1520us) and multiple tail motor drive systems.
- 12V Servo Capability: Allows for broader high-voltage servo application scenarios.
- Wide Power Monitoring Range: Supports voltage monitoring from 3.6V to 70V for compatibility with various power systems.
- Advanced BEC Design: Ensures stable and reliable power supply for unprecedented flight experience.
- Multi-Voltage Design: Independent power supplies for Gyro (1.8V), MCU (3.3V), and external interfaces (5.0V) minimize noise interference.
- USB-C Connectivity: Comes with lightweight, flexible USB-C extension cables for easy access in tight installation areas.
- Compact and Lightweight Design: Suitable for various helicopter sizes and levels.
- RotorFlight Rescue Mode: Enhanced safety features for mitigating emergencies during flight.
- Available in Five Colors: Choose from gray, gold, red, blue, or purple for personalized aesthetics.

Package Included:
1 x Nexus-XR Helicopter Rermote Controller
3 x JST-GH 4P Cable
1 x JST-GH 3P Servo Cable (3-pin Dupont Connector)
1 x Ultra-Light Flexible USB-C Extension Cable
1 x Type-C Extension Cable
1 x JST-ZH 1.5' DSM Telemetry Cable (Supports ESC Telemetry Only)
1 x Voltage Telemetry Cable
3 x 3M Double-Sided Adhesive Tape
2 x Heat Shrink Tubes
1 x Checklist Card