RadioMaster RP4TD ExpressLRS 2.4GHz True Diversity Receiver

The RadioMaster RP4TD ExpressLRS 2.4GHz True Diversity Receiver is a professional compact receiver for FPV drones, fixed-wing models, and other applications requiring reliable serial communication. The device combines advanced hardware solutions and convenient features, ensuring stable reception, high sensitivity, and flexible configuration options.

Key Features and Capabilities:

Technical Specifications:

• Type: ISM
• Microcontroller: ESP32
• Radio Chip: SX1281 x 2
• Antenna: 2x 65mm 2.4GHz T Antenna
• Frequency Range: 2.4GHz
• Maximum Refresh Rate: 500Hz / F1000Hz
• Telemetry Output Power: 2x 100mW
• Operating Voltage: DC 4.5-12.0V
• Weight: 1.4g (without antenna)
• Dimensions: 23.7 x 16.3 x 4.0 mm
• Firmware Version: ExpressLRS V3.3.0 (pre-installed)
• Target: RadioMaster RP4TD 2400 RX
• Bus Interface: CRSF
• Extended Interface: UART

The receiver is equipped with two TCXOs (temperature-compensated crystal oscillators), ensuring high frequency stability even with varying temperatures. Two independent SX1281 radio chips operate in true diversity mode, providing reliable communication in challenging interference conditions and over long distances. The compact form factor and low weight make the RP4TD an ideal choice for models where minimal weight and high performance are crucial.

Features:

• Gemini compatibility mode
• Reliable DCDC power supply circuit for reduced heating during prolonged use
• High SNR and RSSI for accurate signal quality diagnostics
• Optimized board design for better heat dissipation
• Upgraded antenna with increased durability
• UART pads for advanced applications
• Two TCXOs ensure high frequency stability

Connectivity and Updates: Built-in Wi-Fi allows for wireless firmware updates and receiver configuration via a web interface using a computer or mobile phone. CRSF and UART interfaces ensure compatibility with most modern controllers and transmitters, and enable integration of the receiver into various applications and control systems.

Compatibility:

The receiver is compatible with all ExpressLRS 2.4GHz modules and transmitters. The RP4TD is also compatible with mLRS, offering high-performance LoRa-based communication with bidirectional serial connection and full remote control. This makes the device a versatile solution for professionals and hobbyists who require reliable communication and flexible configurability.

Package Contents:

• 1 * RP4TD ExpressLRS 2.4GHz Receiver
• 1 * CRSF Wire
• 3 * Heat Shrink Tubing
• 2 * 65mm 2.4GHz T Antenna (installed on receiver)
• 1 * User Manual

Application: The RP4TD is suitable for drones and fixed-wing models, as well as for any projects requiring a compact and stable serial receiver with a high refresh rate and full telemetry. Thanks to its low weight, wide power supply voltage range (DC 4.5-12.0V), and powerful telemetry parameters (2x100mW), this receiver is perfectly suited for both competitions and long flights in challenging conditions.

Manufacturer: Radiomaster

Product Category: Drones & Quadcopters > Drone Components > Drone Spare Parts > Receivers

This receiver combines ESP32, two SX1281s, two TCXOs, optimized DCDC power, and Wi-Fi update capability, making it an excellent choice for professionals and hobbyists who require reliable communication and flexible configurability.

Other products in this category can be found here Receivers