The MATEKSYS ELRS R24 D Receiver is a 2.4GHz ExpressLRS diversity receiver with 22.5dbm Telemetry Power and two IPEX MHF 1 antennas.

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

Features

• 22.5dbm Telemetry Power
• IPEX MHF1 Antennas
• 2.4GHz Frequency
• ExpressLRS

Specifications

• Power dissipation: 40~45mA(before binding), 70~75mA(binding), 90~95mA(wifi mode)
• Diversity (antenna-switching), default ANT2
• RF Frequency: 2.4GHz (2400~2480MHz)
• Telemetry power: 22.5dbm~23dbm
• Input voltage: 4~9V DC @ 5V pad
• Antenna connector: IPEX MHF 1
• ESP8285, SX1280/1281IMLTRT
• SE2431L RX_gain: 12.5dB
• Weight: 3g (With Antennas)
• PCB size: 21mm x 15mm
• Receiver protocol: CRSF
• PA/LNA: SE2431L

FIRMWARE TIPS

• ELRS-R24-D: Enable “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-D.bin
• ELRS_V1.2.0_NoPhrase_ELRS-R24-D.bin
• ESP_NodeMCU-PyFlasher.exe
• 3D Step File

Includes

• 1x MATEKSYS ExpressLRS 2.4GHz Receiver - ELRS R24 D
• 2x IPEX MHF1 Antennas