Matek ExpressLRS/ELRS 2.4GHZ Diversity
by Matek Systems

Matek ExpressLRS/ELRS 2.4GHZ Diversity

ELRS-R24-D Specifications

• ESP8285, SX1280/1281IMLTRT
• PA/LNA: SE2431L
• Antenna connector: IPEX MHF 1
• RF Frequency: 2.4GHz (2400~2480MHz)
• Telemetry power: 22.5dbm~23dbm
• SE2431L RX_gain: 12.5dB
• Diversity (antenna-switching), default ANT2
• Receiver protocol: CRSF
• Input voltage: 4~9V DC @ 5V pad
• Power dissipation:  40~45mA(before binding), 70~75mA(binding), 90~95mA(wifi mode)
• PCB size: 21mm x 15mm
• Weight: 3g w/ 2x antennas
• Packing: 1x ELRS-R24-D,   2x IPEX MHF1 Antennas

Firmwares

• ExpressLRS 1.x & 2.x,  MATEK 2400 RX  enable “USE_DIVERSITY
• ExpressLRS 3.x or newer,  MATEK 2400 RX R24D
• Firmware update via UART or WIFI