Holybro SiK Telemetry Radio - Long Range

This Holybro SiK Long Range Telemetry Radio is a small, light, and inexpensive open-source radio platform with a maximum 50 kilometres range (outdoors, line-of-sight range).

This radio is plug-and-play, ready for all Pixhawk Standard and other similar flight controllers, providing the easiest way to set up a telemetry connection between your controller and a ground station. It uses open-source firmware that has been specially designed to work well with MAVLink packets and to be integrated with the Mission Planner, Ardupilot, QGroundControl, and PX4.

The radios are available in 915 MHz or 433 MHz versions. Please purchase the model that is appropriate for your country/region.

FCC ID: 2BNF8-HT051WRF915 (100mW, 915.06~927.04MHz)

Features:

• Open-source SIK firmware
• Plug-n-play for Pixhawk Standard Flight Controllers
• 1W maximum RF output
• The Easiest way to connect your controller and Ground Station
• Interchangeable air and ground radio
  
• 6-position JST-GH connector

Info:

Specifications:

• 2-way full-duplex communication through adaptive TDM UART interface
• Transparent serial link
• MAVLink protocol framing
  
• Built in FT230X/FT231 USB to BASIC UART conversion IC

Electrical Data

• Supply voltage: 7~28V DC via XT30
• Transmit current: 12V/400mA at 30 dBm
• Receive current: 12V/30mA
• Serial interface: 3.3 V UART

Manual:

Telemetry-Radio-V3-Quick-Start-Guide

Some Tips:

https://ardupilot.org/copter/docs/common-configuring-a-telemetry-radio-using-mission-planner.html