Reliable range and signal stability in any situation with ELRS 2.4G True Diversity Receiver, R24-TD

The ELRS 2.4G True Diversity Receiver, R24-TD is an advanced device for demanding pilots. Based on the ExpressLRS 2.4GHz system and True Diversity technology, it provides double security and interference resistance, even in the most challenging radio conditions. The high telemetry power of 100mW guarantees a constant real-time view of flight parameters on your radio transmitter. This compact hardware can be easily mounted in most drone frames, giving you unmatched quality and a massive control link range.

Key features of the ELRS 2.4G True Diversity Receiver, R24-TD​

• True Diversity Technology: The Matek R24-TD True Diversity ExpressLRS 2.4GHz receiver utilizes two independent radio paths maximizing link quality and stability.
• High Telemetry Power: Offers a return power of 20dBm (100mW), allowing for reliable telemetry readouts over long distances.
• Wide Input Voltage Range: Support for 4V to 13V DC ensures easy integration with various power systems in the drone.
• Wireless Updates (WiFi): The receiver features a built-in WiFi mode, enabling convenient firmware flashing and management via a web browser.
• Visual LED Status: The built-in RGB LED clearly indicates the current operating mode (e.g., rainbow effect at startup, orange blinking in binding mode).

RGB LED status information in ELRS 2.4G True Diversity Receiver, R24-TD

Useful information about the ELRS 2.4G True Diversity Receiver, R24-TD

Firmwares

• Receiver Target:  Generic ESP32 True Diversity PA 2.4Ghz RX /or RadioMaster RP4-TD /or HappyModel EP Dual
• Any of variants based on Target “Generic ESP32 True Diversity PA 2.4Ghz RX” can be flashed.
• Receiver has ExpressLRS 3.3.2 preloaded with binding phrase “123456”,  the Receiver will never enter binding mode if using the traditional binding procedure.
• You need to reflash it with your binding phrase OR connect it to your PC/phone via WiFi and set your binding phrase in WebUI.

​Flashing via Wifi

• Power on receiver. RGB LED Rainbow fade effect at first, then Slow blink 500ms on/off.  after 20s,  Green blink indicating it’s on Wifi Hotspot Mode.
• Wifi SSID “ExpressLRS RX”,  Password “expresslrs”

Flashing via UART

1. Wire the receiver into the USB-TTL adapter, with TX on receiver connected to the Rx on the USB-TTL, and RX on receiver connected to the Tx of the USB-TTL. Wire 5V and GND of the USB-TTL to 5V and GND of the Receiver.
2. Press the boot button while powering on the receiver, then release – the RGB LED will not turn on.
3. In Configurator,  Select the target Generic ESP32 True Diversity PA 2.4Ghz RX, or RadioMaster RP4-TD, or HappyModel EP Dual  and  “UART” for Flashing Method,  set your bind phrase and Firmware Options , Check “erase before flash” and “Force FLash “.
4. Use Web-flasher

Useful link for ELRS 2.4G True Diversity Receiver, R24-TD

• Flashing via Wifi
• Switch Configuration Modes
• Web-flasher
• ExpressLRS,  wiki