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Pixhawk Radio Telemetry Kit

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The Radio Telemetry Kit for Pixhawk is a small, lightweight, and inexpensive open source radio platform that can allow for ranges of better than 300m out of the box with the ability to be extended to several kilometers with the use of a patch antenna on the ground. The radio uses open source firmware which has been specially designed to work well with MAVLink packets and to be integrated with the Mission Planner, Copter, Rover, and Plane.

This telemetry kit includes two radio modules, USB cable, Android adapter cable, two JST-GH cables, two right-angled RP-SMA connectors, and two 915MHz antennas. Each radio module in the kit features a transmit power of 100mW, a RX sensitivity of -117dB, a full duplex transparent serial link of 57600baud and are equipped with a micro USB and UART port for easy connectivity.

In order to use the Radio Telemetry Kit, you'll need to plug one module into the Telem1 port on your Pixhawk4 using one of the provided JST-GH cables, and plug the other module into the USB port on your base station. If you follow the prompts you will be able to have both radio modules connected in less than five minutes. In the Documents tab above you will find a full getting started guide to help you set up your Pixhawk with this kit in no time!

  • 2x Radio Modules with Antennas
  • 1x Micro USB Cable
  • 1x Android OTG Adapter Cable
  • 1x GH 6P-GH 4P Cable
  • 1x MLX 6P-GH 4P Cable
  • 2x Right-Angled RP-SMA Connectors
  • 100 mW maximum output power (adjustable) -117 dBm receive sensitivity
  • Open-source SIK firmware
  • RP-SMA connector
  • 2-way full-duplex communication through adaptive TDM UART interface
  • Transparent serial link
  • MAVLink protocol framing
  • FT230X is a USB to BASIC UART IC
  • Interchangeable air and ground modules 915 or 433MHz
  • Micro-USB port
  • 4-position JST-GH connector
  • Supply voltage: 5V DC (from USB or JST-GH)
  • Transmit current: 100mA at 20dBm
  • Receive current: 25mA
  • Serial interface: 3.3V UART

Pixhawk Radio Telemetry Kit Product Help and Resources

Core Skill: Programming

If a board needs code or communicates somehow, you're going to need to know how to program or interface with it. The programming skill is all about communication and code.

2 Programming

Skill Level: Rookie - You will need a better fundamental understand of what code is, and how it works. You will be using beginner-level software and development tools like Arduino. You will be dealing directly with code, but numerous examples and libraries are available. Sensors or shields will communicate with serial or TTL.
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Core Skill: Electrical Prototyping

If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.

2 Electrical Prototyping

Skill Level: Rookie - You may be required to know a bit more about the component, such as orientation, or how to hook it up, in addition to power requirements. You will need to understand polarized components.
See all skill levels


Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • In your 2018 product showcase video Pete asked the public to let you guys know if there was interest in this item. Now that you carry the 100mW version, any plans to add the 500mW version to your store front? Thanks

  • Do these radios have an FCC ID?

    • Unfortunately, we don't have any product in to check. However, this question might be best directed at the manufacturer, as it might not be labeled on the enclosure anyways: productservice@holybro.com

  • I was hoping I could just use this as a transparent serial link. I'm looking for a simple way to send RTCM data from one "SparkFun GPS-RTK Board - NEO-M8P-2" board (basestation) to another (rover) as an RTK setup. So when I connect the USB cables to a PC and it enumerates a virtual COM port then I can send serial data at 57600 baud from one HyperTerminal session to another - nice! When I'm sending this data, on a single Radio Module I hook up an O-scope to both the TX and RX pins and I see that both are outputting 3.3V serial data. I would have expected one to be an input and the other an output. Not both as outputs. I get the same result if I use the USB port just to power the Radio Modules through a USB power wart - both are outputs. Does this make sense?

    • I'm facing similar issues when trying to use this set with GPS-RTK2 board. Have you found a solution to this problem yet?

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