3DR Single TTL MINI Radio Telemetry 433MHz 500mW for PIXHAWK and APM FC

The Holybro SiK Telemetry Radio 433MHz 500mW set is a high-quality, open-source radio platform designed for reliable, long-range communication between flight controllers and ground station devices. Ideal for UAV pilots, developers, and drone enthusiasts, this telemetry radio ensures seamless integration with flight controllers like ArduPilot and Pixhawk Standard. Operating on the 433MHz frequency band, it provides robust data transmission for live GPS mapping, waypoint navigation, system voltage monitoring, and more.

This SiK Telemetry Radio features both USB and UART connectivity, enabling flexible connection to computers, laptops, tablets, or other devices supporting Micro-USB ports or serial interfaces. Built on HopeRF’s HM-TRP modules with error correcting code, it ensures a stable, transparent serial link even in challenging environments. The system supports MAVlink and MAVLink protocol for full compatibility with ground station software such as Mission Planner and APM Planner.

Tested across diverse applications, this telemetry solution meets the needs of DIY builders and commercial operators alike, delivering adaptive time division multiplexing, frequency hopping spread spectrum, and configurable duty cycles. The SMA connector ensures secure attachment of the included omni antenna or patch antenna, critical for optimal Range and performance.

Key benefits

• Enable long-range, full-duplex telemetry at 433MHz with adaptive TDM and frequency hopping spread spectrum

• Support seamless integration with ArduPilot, Pixhawk, and other flight controllers

• Boost link reliability using built-in error correcting code and configurable duty cycles

• Simplify setup with Micro-USB port, Molex connector, and open-source SiK firmware

• Enhance ground station control with MAVlink-compatible serial link for live mission updates

Compatibility & use-cases

Compatible with ArduPilot, Pixhawk, and other Autopilot flight controllers using UART or serial interface. Suitable for DIY UAV projects, Mission Planner, and ground station operations requiring a robust telemetry connection.

What’s in the box

• 1 x Radio Telemetry base station (USB connection)

• 1 x Telemetry transceiver (pin header)

• 2 x 2.5 dBi antenna (omni antenna)

• 1 x 5-pin lead cable for APM flight controllers

• 1 x 6-pin lead cable for Pixhawk flight controllers