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Radiomaster XR1 Nano Multi-Frequency ExpressLRS Receiver

Communication & Data Links
by Peryton

Description

The Radiomaster XR1 is an ultra-compact multi-frequency ExpressLRS receiver that supports both 2.4GHz and 900MHz bands with automatic frequency switching for link redundancy. Designed for FPV drone pilots, it features the advanced Semtech LR1121 transceiver, ESP32C3 MCU, built-in Wi-Fi for configuration, and delivers exceptional range and sensitivity in a lightweight 20x13mm package suitable for any drone build.

About the Company

Peryton

Peryton is a drone technology company specializing in FPV (First Person View) drones and drone components. They offer a range of drone products, services, and custom drone solutions for enthusiasts...

Core Information

Serving industries
Air Ground Other
Product status
In Production
Name
Radiomaster XR1 Nano Multi-Frequency ExpressLRS Receiver
Model number / Variant
XR1
Release/Launch year
2024

Product Classification

Link roles
Command & Control (C2) Telemetry
System type
RF Radio Transceiver
Supported platform classes
sUAS UGV Ground Control Station
Operating environment
Airborne Ground Indoor
Link topology
Point-to-Point
LOS/BLOS capability
LOS
Duplexing modes
Half-Duplex

Frequency & Spectrum

Frequency bands
2.4 GHz ISM 900 MHz ISM
Regional spectrum compliance
FCC (US) CE/ETSI (EU)
Spectrum licensing
Unlicensed/ISM
Frequency agility/hopping
Maximum TX power (dBm)
20

Data & Performance

Modulation/Coding
Custom/Proprietary
Range conditions
Line-of-sight conditions with appropriate antennas

Interfaces & Protocols

Physical interfaces
Serial UART
Control/Telemetry protocols
MAVLink Proprietary
Antenna connectors
U.FL
Number of antenna ports
1

Security

Encryption standards
Proprietary
Anti‑jam/Resilience features
FHSS
Export control classification
EAR99
Key management
Pre-Shared
Authentication methods
Pre-Shared Key (PSK)

Power & Physical

Power options
DC
Mounting options
Airframe/Internal
Included antenna types
Omnidirectional
Input voltage range (V)
5V
Dimensions (mm)
20 x 13 x 3
Ingress protection (IP rating)
None
Weight (g)
1

Software & Management

Configuration methods
Web UI Desktop App
Telemetry/Integration
MAVLink
OTA firmware updates

Compatibility & Integration

Autopilot compatibility
ArduPilot PX4 Other
GCS compatibility
QGroundControl Mission Planner Other
Interoperability standards
Proprietary
Integration notes
Features CRSF and secondary UART interfaces, built-in Wi-Fi for easy configuration, compatible with ExpressLRS ecosystem

Certifications & Compliance

Certifications/Marks
FCC CE
Spectrum approval regions
US EU