RadioMaster R81 V2 D16 8/16 Channel RC Receiver, Over 1km Range for FPV Drones

Introduction

The RadioMaster R81 V2 is an upgraded RC receiver designed to provide enhanced performance and expanded compatibility for FPV and RC enthusiasts. This compact and lightweight receiver offers reliable signal transmission with an extended control range, making it an excellent choice for a wide variety of RC models. It's specifically designed for users who need a dependable link between their transmitter and drone, ensuring smooth and precise control during flight.

Key advantages

• Extended control range exceeding 1km for reliable long-distance flights.
• Supports D16 (LBT) and Futaba SFHSS protocols for broad compatibility.
• Provides 8 or 16 channels for versatile control options.
• SBUS output for streamlined integration with flight controllers.
• Compact size (17x11mm) and ultra-lightweight design (2 grams) ideal for small drones.
• RSSI indication on Ch9 via SBUS output for real-time signal strength monitoring.
• Wide input voltage range (4.5-6V) for flexible power options.
• Specifically designed for use with MPM (Multi-Protocol Module) transmitters.

Technical specifications

• Channels: 8/16
• Frequency Range: 2400-2483.5 MHz
• Input Voltage: 4.5-6V
• Signal Protocol: D16 (LBT version)
• Output Format: SBUS
• RSSI: RSSI on Ch9 via SBUS output
• Control Distance: Over 1 km
• Antenna Length: Approx. 6 cm
• Dimensions: 17x11mm
• Weight: 2 grams

Applications

The RadioMaster R81 V2 receiver is ideal for a wide range of RC applications, including FPV racing drones, freestyle quads, long-range exploration drones, and general RC aircraft. Its compact size and light weight make it particularly suitable for smaller builds where weight is critical, while its extended range benefits applications requiring reliable control over significant distances.

Compatibility

This receiver is compatible with Frsky D8/D16 and Futaba SFHSS protocols. Please note that LBT versions are restricted to D16 LBT mode and will not function with D8 or SFHSS. The R81 V2 is designed exclusively for use with MPM (Multi-Protocol Module) transmitters and does not support Frsky transmitters directly. It features an SBUS output for easy connection to most flight controllers.

FAQ

What is the maximum control range of the RadioMaster R81 V2 D16 receiver?

The RadioMaster R81 V2 D16 receiver offers an impressive control distance of over 1 kilometer, ensuring reliable signal even during long-range flights.

Which protocols is the RadioMaster R81 V2 D16 receiver compatible with?

This receiver is compatible with Frsky D8/D16 and Futaba SFHSS protocols. However, please note that LBT versions are limited to D16 LBT mode only and will not work with D8 or SFHSS.

What type of output does the RadioMaster R81 V2 D16 receiver provide?

The RadioMaster R81 V2 D16 receiver provides an SBUS output, which is a common and efficient serial communication protocol for connecting receivers to flight controllers.

Is the RadioMaster R81 V2 D16 receiver suitable for small FPV drones?

Yes, with its compact dimensions of 17x11mm and an ultra-lightweight design of only 2 grams, the R81 V2 is an excellent choice for small FPV drones where weight and size are critical factors.

Where can I buy the RadioMaster R81 V2 D16 receiver with fast delivery?

You can order the RadioMaster R81 V2 D16 receiver from HTDRONE. We offer fast shipping within Poland and reliable delivery to Ukraine via Nova Poshta. Worldwide shipping is also available via DHL.