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Feb 13, 2012, 07:55 PM
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Radio Frequency for Long Range?


Right now we are using a 2.4Ghz radio to fly the plane. How far can we safetly fly using the 2.4ghz frequency? Should we move to something lower for a 1 mile to 2 mile radius? What about a 20 mile radius? I would imagine something like Dragon Link for the latter.
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Feb 13, 2012, 08:01 PM
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Quote:
Originally Posted by AeroWRX
Right now we are using a 2.4Ghz radio to fly the plane. How far can we safetly fly using the 2.4ghz frequency? Should we move to something lower for a 1 mile to 2 mile radius? What about a 20 mile radius? I would imagine something like Dragon Link for the latter.
depends on the equipment you got, if you have say a spektrum dx6i you will be limited to under a mile, if you have a good quality tx and tx then maybe 2 miles is max, then you need to start looking into boosters, and all that, but i dont know enough to offer usable advice i just know that a your limited with factory equipment
Feb 13, 2012, 09:55 PM
fly by night
BCSaltchucker's Avatar
The way I understand it, the folks going over 10km are all using UHF in the ~433 MHz range. It's what I use (Dragonlink)

Spektrum w/ satellite Rx might get you up 1.5km, and I've seen it done on video w/UMX fpv planes, but I will not take it over 1km myself.

I am also planning to pick up another 9x and put a FRSKY unit in there, w/ patch antenna -that can supposedly get several km out, best range of any 2.4 RC kit.
Feb 13, 2012, 10:36 PM
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CaliDave's Avatar
Quote:
Originally Posted by AeroWRX
Right now we are using a 2.4Ghz radio to fly the plane. How far can we safetly fly using the 2.4ghz frequency? Should we move to something lower for a 1 mile to 2 mile radius? What about a 20 mile radius? I would imagine something like Dragon Link for the latter.
Look into 433mHz based HAM band systems as you want to venture past a mile with no concern. Study the variations on each and accept it will take some time to study them all, but once you understand how they work, the various options you'll be glad you spent the time. You'll need to get your HAM Technician's License which is easy to get and a good thing to have. There is great study info on RCG posted by BloomingtonFPV.

As for the 20 mile thing.... don't ask... way past what you need to be thinking about. Is it possible, sure.... but only few have been on a trip out that far and it takes tons of experience and knowledge for long range stuff like that. It's best to start small inside of 1 mile and work your way out with success.... if you fail bring it back in some and repeat.


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