MATEKSYS ExpressLRS 2.4GHz Receiver - ELRS R24 S

The MATEKSYS ELRS R24 S Receiver is a 2.4GHz ExpressLRS receiver with 20dbm Telemetry Power.

 

VIDEO: Mateksys Express LRS receivers ELRS-R24-S and ELRS-R24-D under a microscope

Features

• 20dbm Telemetry Power
• 2.4GHz Frequency
• ExpressLRS

 

 

Specifications

• Power dissipation: 40~45mA(before binding), 60-65mA(binding), 90~95mA(wifi mode)
• Input voltage: 4~9V DC @ 5V pad
• ESP8285, SX1280/1281IMLTRT
• RF Frequency: 2.4GHz ISM
• PCB size: 21mm x 15mm
• AT2401C RX_gain: 12dB
• Receiver protocol: CRSF
• Telemetry power: 20dbm
• PA/LNA: AT2401C
• Weight: 1.2g

FIRMWARE TIPS

• ELRS-R24-D: Disable “USE_DIVERSITY” (checked) when flashing in ExpressLRS configurator
• Firmware: ExpressLRS MATEK_2400_RX
• Firmware update via UART or WIFI

Downloads

• ELRS_V2.0.0_NoPhrase_ELRS-R24-S.bin
• ELRS_V1.2.0_NoPhrase_ELRS-R24-S.bin
• ESP_NodeMCU-PyFlasher.exe
• 3D Step File

Includes

• 1x MATEKSYS ExpressLRS 2.4GHz Receiver - ELRS R24 S