SIYI DK32S 20KM Long-Range Drone Remote Controller

Professional Long-Range Drone Remote Controller with Telemetry and Datalink

Overview

The SIYI DK32S is a professional, intelligent, and versatile enterprise-grade remote controller, equipped with advanced 2.4GHz bidirectional digital frequency hopping spread-spectrum technology. Supporting a maximum transmission distance of up to 20 km (in open areas, free of interference), the DK32S is ideal for UAVs, VTOLs, and a wide range of RC applications. Its 16 communication channels, real-time telemetry, and compatibility with popular flight controllers make it the perfect choice for professional drone pilots and industrial applications.

Key Features

• 20 km Maximum Control and Telemetry Range – Reliable long-distance communication for demanding missions.
• Advanced 2.4GHz Digital Spread-Spectrum Technology – Enhanced anti-interference and stable operation.
• 16 Physical and Communication Channels – Fully customizable for various application needs.
• Real-Time Telemetry Display – Live feedback on voltage, RF signal, GPS data, and more.
• 2.8-Inch High-Brightness LCD Touchscreen – Clear visibility even under direct sunlight.
• Built-in 5000mAh Li-Po Battery – Up to 12 hours of continuous operation.
• Lightweight and Ergonomic Design – Weighs only 610g for comfortable extended use.
• Wide Compatibility – Supports PX4, Ardupilot, and any flight controller with UART interface.
• Creative 5D Sub-Trim Buttons – Quick mid-flight adjustments with CNC aluminum buttons.
• Fail-Safe Protection – Ensures aircraft safety in case of signal loss.
• Firmware Upgradable – Continuous feature enhancements via SIYI Assistant software.
• Multi-Drone Control Capability – Control up to three drones simultaneously.

Technical Specifications

• Max Transmission Range: 20 km (unobstructed, interference-free)
• Frequency Band: 2400 ~ 2483 MHz
• Channels: 16 physical and communication channels
• Receiving Sensitivity: -101 dBm
• Telemetry Voltage Range: 0–50 V
• Operating Temperature: -10°C to 50°C

Ground Unit (Remote Controller)

• Display: 2.8″ High-Brightness Color LCD, Capacitive Touchscreen (240 × 320)
• Battery: Built-in 3.7V 5000mAh Li-Po 1S
• Battery Life: Up to 12 hours
• Charging Port: Micro-USB (5V/2A)
• Model Data Storage: 64 groups (expandable via SD card)
• Dimensions: 194.5 × 172.5 × 114 mm
• Weight: 610g
• Language Support: English / Chinese

Air Unit (Receiver)

• Signal Output: 16 channels SBUS, 8 channels PWM
• Interface: UART (GH1.25 4-Pin for datalink), Micro-USB (for firmware upgrade)
• Antenna Gain: 5 dBi (2.4G rod antenna)
• Dimensions: 51.5 × 38 × 13 mm (antenna excluded)
• Weight: 33g (antenna excluded)
• Working Voltage: 5V

Included in the Package

• DK32S Remote Controller (Ground Unit)
• DK32S Receiver (Air Unit)
• 2× 2.4G Rod Antennas
• Micro-USB Charging Cable
• User Manual
• Shoulder Strap

Compatibility

• Flight Controllers: PX4, Ardupilot, and any FC with UART interface.
• Supported Vehicles: UAVs / Drones (Multi-rotor, VTOL), RC Planes, Helicopters, Gliders, UGVs, USVs, Smart Robotics

Additional Functions

• Voice Broadcast with Vibration Alerts for real-time status updates.
• SD Card Support for easy backup and model configuration transfers.
• Trainer Mode (wired or wireless) for professional training applications.
• Multi-Drone Control for synchronized control of up to three drones.
• Joystick and Dial Calibration to maintain precise flight control.
• Fail-Safe Function to enhance flight safety during signal loss.
• Firmware Upgradeable via SIYI Assistant for new features and improvements.

Note: Maximum range is achieved in ideal conditions. Proper antenna positioning is essential for optimal performance. Charging time is approximately 5 hours with a standard 5V/2A charger.