NEXUS-XR Control System Integrated 2.4GHz ExpressLRS Receiver
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The NEXUS-XR takes integrated RC control systems to the next level by combining a high-performance ExpressLRS receiver with dual Semtech SX1281 2.4GHz transceivers. With the receiver built directly into the system, the NEXUS-XR delivers excellent RF performance, extended range, and reliable connectivity while eliminating the need for an external receiver. This simplifies installation and helps reduce overall weight.
At its core, the NEXUS-XR is powered by an STM32F722 MCU and paired with an ICM42688P 6-axis MEMS motion sensor. The combination provides excellent vibration resistance and enhanced signal filtering, making the system well suited for demanding RC applications.
The NEXUS-XR also features several key upgrades. An improved BEC provides more stable power to connected electronics for enhanced reliability, while the external voltage input now supports a wide 3.6V–70V range. Onboard memory has been expanded to 256MB, enabling significantly longer data logging. The CNC-machined aluminum housing features a sleek, compact design while providing protection and acting as an effective heat sink to help maintain stable operating temperatures during extended use.
Compact, rugged, and versatile, the NEXUS-XR is designed to fit a wide range of frame sizes while delivering reliable performance in demanding conditions.

Features
- Integrated ExpressLRS Receiver: Built-in dual Semtech SX1281 2.4GHz transceivers provide reliable RF performance without the need for an external receiver.
- RF 2.2 Optimized: Designed for enhanced performance and compatibility with the latest RF 2.2 firmware.
- High-Performance Processing: STM32F722 MCU paired with an ICM42688P 6-axis MEMS motion sensor for precise control and responsive performance.
- 256MB Data Logging: 256MB of onboard flash memory provides ample storage for extended data logging and tuning.
- Dual-Antenna Design: Two 65mm wire antennas help improve signal strength and maintain reliable connectivity.
- Flexible Connectivity: Multiple UART ports support CRSF, ELRS, S.BUS, and other communication protocols.
- Expanded PWM Outputs: Additional PWM pins provide greater flexibility for complex RC setups and peripherals.
- CNC-Machined Aluminum Case: A rugged, precision-machined aluminum housing provides protection while also functioning as an effective heat sink.
- 12V Servo Support: Supports 12V servos for applications requiring higher-voltage servo power.
- Wide Voltage Input: External power input supports a wide 3.6V–70V range for versatile power configurations.
- Improved BEC: Enhanced BEC provides stable and reliable power delivery to connected electronics.
- Isolated Power Supplies: Dedicated 1.8V, 3.3V MCU, and 5V interface power rails help minimize electrical noise and improve system stability.
- Accessible USB-C Port: A flexible USB-C extension cable provides convenient access in compact or enclosed builds.
- Compact & Lightweight: A space-efficient design makes the NEXUS-XR suitable for a wide range of RC applications.
- RF Rescue: Built-in RF Rescue provides an additional safety feature for emergency situations.
- Multiple Case Colors: Available in Grey, Gold, Red, Blue, and Purple.
Specification
| Item | NEXUS-XR Control System |
| Firmware | RF 2.2 |
| MCU | STM32F722RET6 |
| Flash Memory (Black Box IC) | 256MB (W25N02KVZEIR) |
| Barometer | SPL06-001 |
| UART | 5 — S.BUS[UART1], TELEM[UART2], PORT-A[UART4], PORT-B[UART6], PORT-C[UART3] |
| Servo | S1, S2, S3, TAIL Servos (Up to 12V) |
| RPM Sensor | 1 — FROM ESC FREQUENCY SENSOR |
| AUX | 1 |
| Ext Voltage Input (Tele) | 3.6–70V |
| Receiver Support | CRSF, ELRS, GHOST, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, MSP |
| Voltage Supply (DC) | 5–16V |
| A-B-C Serial Port Power Output | 5V – 1.5A |
| Telemetry | S.BUS, HoTT, S.Port, MSP, EDGETX, ELRS |
| Internal Receiver | RP4TD-M ExpressLRS 2.4GHz Mini True Diversity Receiver |
| Receiver MCU | ESP32 |
| Type | ISM |
| RF Chip | SX1281 x 2 |
| Antenna | 65mm 2.4GHz Wire Antenna x 2 |
| Frequency Range | 2.4GHz |
| Maximum Refresh Rate | 500Hz / F1000Hz |
| Telemetry RF Power | Max 2 x 10mW |
| WiFi Updates | Yes |
| FW Target | RadioMaster RP4TD-M 2400 RX |
| Bus Interface | CRSF |
| Dimensions | 44.70 x 26.50 x 14.30mm |
| Weight | 24.1g |






Dimensions


Package Includes
- 1 * NEXUS-XR Control System
- 3 * JST-GH 4 Wire pigtail cables
- 1 * JST-GH to Servo Plug (dupont 3 pin connector)
- 1 * Ultra light-weight and flexible USB-C extender
- 1 * Type C extension cable
- 1 * JST-ZH1.5 "DSM" Telemetry cable (Telemetry only does not support DSM Receivers)
- 1 * Voltage telemetry wire
- 3 * 3M double-sided mounting tape
- 2 * Heat shrink tubing
- 1 * Inventory Card
