RadioMaster RP1 V2 – Ultra-Light ELRS Receiver for Serious FPV Pilots

The RadioMaster RP1 Receiver is engineered for FPV pilots who demand ultra-low latency, dependable long-range connectivity, and compact lightweight performance. Built around ExpressLRS 2.4GHz technology, the RP1 delivers incredibly fast response times and stable RF communication for freestyle drones, racers, whoops, and long-range UAV platforms.

Powered by the ESP8285 MCU and SX1280 LoRa RF chip, the receiver is optimized for high refresh rates and exceptional signal reliability. Whether you’re flying aggressive freestyle lines, racing through gates, or pushing long-range missions, the RP1 maintains responsive control and stable communication even in demanding RF environments.

Unlike bulky traditional receivers, the RadioMaster RP1 Receiver features an ultra-compact nano footprint weighing only 0.53g, making it ideal for lightweight drone builds where every gram matters.

The upgraded rigid T-antenna design improves durability and signal performance, while the optimized PCB layout enhances heat dissipation and long-term reliability.

Why FPV Pilots Choose the RP1 Receiver

ExpressLRS Long-Range Technology

Built on open-source ELRS architecture for reliable low-latency communication and exceptional RF performance.

Ultra-Low Latency Control

Supports ultra-fast refresh rates up to 500Hz for highly responsive stick feel and precise drone control.

Lightweight Nano Design

At only 0.53g, the RP1 is perfect for racing drones, cinewhoops, and compact freestyle builds.

Stable 2.4GHz Signal Performance

The 2.4GHz ISM frequency band provides strong interference resistance and dependable signal stability.

WiFi Firmware Updates

Integrated WiFi allows wireless firmware flashing and receiver configuration directly through WebUI.

Upgraded Antenna Performance

The durable T-shaped dipole antenna improves signal quality and enhances long-range flight reliability.

Technical Specifications

Built for Freestyle, Racing & Long Range

The RadioMaster RP1 Receiver is designed to perform across multiple FPV disciplines. Its ultra-small size allows easy installation even in tight drone frames, while the low-latency ELRS system delivers smooth and highly responsive flight control.

The receiver is equally effective for:

• freestyle FPV drones
• racing quadcopters
• cinewhoops
• fixed-wing aircraft
• long-range FPV systems

Its diversity-ready RF architecture and telemetry support also improve flight safety and overall link confidence during challenging missions.

Enhanced Reliability & Safety

The RP1 supports advanced fail-safe functionality, helping improve operational safety in the event of signal interruption. Telemetry support also allows pilots to monitor critical flight information such as:

• signal strength
• battery voltage
• GPS data
• altitude
• receiver health

This makes the receiver highly suitable for professional FPV and long-range drone operations.

Package Includes

• 1 × RP1 ExpressLRS 2.4GHz Nano Receiver
• 1 × 65mm UFL 2.4GHz T Antenna
• 1 × User Manual