ExpressLRS EP2 Nano Receiver — 2.4GHz ELRS Ultra-Low Latency RC

The ExpressLRS EP2 Nano is the compact receiver side of the ELRS system — the open-source long-range RC protocol that has replaced conventional RC link technology in the FPV community. Paired with any ELRS 2.4GHz transmitter (RadioMaster Boxer, Zorro, TX16S), it delivers sub-3ms over-air latency at 500Hz packet rate with range measured in kilometres on a 5-inch FPV quad.

The diversity antenna configuration (two ceramic chip antennas at 90° offset) maintains link reliability through bank angles and proximity to the frame where single-antenna receivers develop dead zones. UART connection to the flight controller is the only wiring required. Flash firmware via the web-based ExpressLRS Configurator or Betaflight passthrough.

• Protocol: ExpressLRS (ELRS) 2.4GHz
• Packet rate: up to 500Hz (250Hz / 150Hz / 50Hz modes)
• Over-air latency: <3ms at 500Hz
• Output: CRSF/Crossfire serial (FC UART)
• Antenna: dual diversity ceramic antennas (90° mount)
• Input voltage: 3.3V–5V
• Dimensions: 15×11×4mm | Weight: 1.5g
• Firmware updatable via ExpressLRS Configurator or passthrough