Questions tagged [radio-frequency]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1
vote
1answer
39 views

Which frequency band protocol to be used for fixed wing gliders?

I am designing an autonomous glider. I am also adding a provision to manual override the glider. I want to understand which frequency would be perfect for RF module or transmitters and receivers, so ...
2
votes
3answers
164 views

Is it possible to hijack a quadcopter?

Is it possible to hijack a quadcopter? Like an attacker would jam the controller's signals and send his/her own signal to controll the drone. If so, what would be the technical steps?
4
votes
1answer
216 views

Ftd driver for 3dr telemetry radio

I have been attempting to connect my pixhawk 4 to qgroundcontrol using an old 3DR telemetry radio set. The connection works fine over usb, but qgroundcontrol shows disconnected when I plug in both ...
5
votes
1answer
42 views

Should VTX ever be lower freq./higher power than the control transmitter?

I can find video transmitters from 5.8GHz down to 433MHz with the latter being ideal for longer range, but I don't see nearly as much diversity as far as control transmitters. Am i correct in saying ...
4
votes
2answers
515 views

Why is 900 MHz better for long range than 2.4 GHz?

There are various transmitter modules like the FrSky R9M system which operate at around 900MHz rather than the more commonly seen 2.4GHz. Why is 900MHz better for long range drones, and why is 2.4GHz ...
5
votes
3answers
257 views

What technology offers the longest range for RC controls?

After watching a video demonstrating a jet-powered RC aircraft, I started to wonder about the maximum range available with modern RC equipment. What is the maximum range currently available, and ...
4
votes
3answers
560 views

Why is 5.8ghz used for FPV and 2.4ghz use for transmitters?

Why do most VTXs use 5.8ghz and most transmitters use 2.4ghz?