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Lets explore some current commercial drone communication specs
First thing is understanding the regulation
Compliance is your responsibility. Check that your radios comply with your regional/country regulations for frequency, hopping channels and power levels.
applicable standards for users without any special license. If you are have an application specific license or have a HAM license then you should know what rules are applicable to you.
usa
regulation
FCC 15.247
SikRadio 900MHz MIN_FREQ: 902000 MAX_FREQ: 928000 NUM_CHANNELS=50 Standard: FCC 15.247
RFD900 868MHz
Our choice is
Transceiver Telemetry Radio V3. 500mW Telemetry Radio V3 915MHz
setup https://ardupilot.org/planner/docs/common-connect-mission-planner-autopilot.html
Telemetry to consider
RFD 900x Modem
Our 3d printed commercial drone build is moving into telemetry. Setting up a ground control and preparing to get the blades spinning
Cube Yellow and Spekworks Kore carrier is the setup with the first build.
A Here3 was selected for the gps but getting this configured has become a problem.
Holybro telemetry was chosen and also trying to setup a radio link for manual flight
Question
The telemetry setup offers SIK Radio. How does this fit in
SiK is a collection of firmware and tools for radios based on the cheap, versatile SiLabs Si1000 SoC.
A SiK Telemetry Radio is one of the easiest ways to setup a telemetry connection between your Autopilot and a ground station.
https://github.com/LorenzMeier/SiK
https://ardupilot.org/copter/docs/common-sik-telemetry-radio.html
Stick to quality manufactures and aviod ebay “clones”
Ser#1 drone planned method
Mission Planner to control computer via Mavlink protocol
Mission Planner is a full-featured ground station application for the ArduPilot open source autopilot project and PX4.
MAVLink is a very lightweight messaging protocol for communicating with drones has been used since 2009 to communicate between many different vehicles, ground stations (and other nodes) over varied and challenging communication channels (high latency/noise). It provides methods for detecting packet drops, corruption, and for packet authentication.