Questions tagged [radio-frequency]

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votes
1answer
14 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 ...
3
votes
1answer
227 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
159 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 ...
3
votes
3answers
196 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?