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Apr 01, 2009, 12:55 PM
Registered User
JMSTECH's Avatar
Thread OP


Dragon Link

This is a long range add on module to your RC transmitter with a 9 channel receiver. It broadcast on 433Mhz at 500mW and has been proven to control your RC effectively up to 25KM +.

They say size count but not so with Dragon Link! It is efficiently designed to be one of the smallest and lightest on todays' market, yet fully capable of performing big.

Price: $269 USD for a TX and a 9 channel RX with 2 antennas.

Extra RX $99 USD each.
For more information and where to buy please visit:

Other source of info regarding this product is found here:

This LRS plug and plays perfectly to our Dragon OSD+, to see more info on this please go to link below.

Here are some videos to also watch to understand this more:

(25KM video with Dragon Link flown inside a mini van)
DragonLink 25km (15.81miles) range test

DragonLink Range Test #2

FPV Plane FPV (9 min 43 sec)

DragonLink UHF R/C Control System
(3 min 40 sec)

(8 min 0 sec)

(6 min 10 sec)

FPV Plane FPV (7 min 31 sec)

Dragon Link 2.5 miles out!! (6 min 37 sec)

(10 min 27 sec)

(5 min 13 sec)

FPV Plane FPV (7 min 20 sec)

(10 min 26 sec)

(2 min 53 sec)

For additional info, you can send an email to: [email protected]
Last edited by JMSTECH; Oct 07, 2011 at 08:38 PM.
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Apr 01, 2009, 01:10 PM
Seeing the Farside.
Blaze.45's Avatar
I think I met that guy at the flying field in Singapore.
Apr 01, 2009, 01:15 PM
G-unit's Avatar
COOL i cant wait
Apr 01, 2009, 01:33 PM
plus vite plus loins
Funjet2008's Avatar
what is the range?
Apr 01, 2009, 01:50 PM
Registered User
I have tested the ground to ground range up to 5km but I ran out of places to drive. Once I do a full test, I'll report back here. I would assume that the performance will be comparable to other UHF 70cm systems putting out 500mW and will be double systems running at 800-900MHz, all else being equal.

Apr 01, 2009, 02:03 PM
In the middle of nowhere
Apr 01, 2009, 02:05 PM
Registered User
tychoc's Avatar
Is this using the same code as in Thomas Scherrer's system? Is the hardware different?


Apr 01, 2009, 02:12 PM
Registered User
Well, Thomas's system uses the code from my project (I wrote the code for both systems) but I have also made some changes to the code as I worked on it. However, the hardware is different, specifically the radio section is different.

This receiver is smaller than Thomas' (about one-third the size) and comes with 9-channels as standard. It will output PPM for those who want to use it with an MK (right no it auto-detects that if you are using less than 9-channels, the 9th channel automatically puts out PPM). It also uses narrower-bandwidth, which usually improves performance, and has a sensitive receiver, but no diversity. I think that at 433MHz, cross-polarization isn't as much of a problem as it is at 2.4GHz, for example. So it has some pros, and some cons. Both systems are good, but not compatible because mine is using a narrower band. However, Thomas's amplifier should work fine with this system.

At some later stage I will try to make this system able to work with Thomas' hardware as well, if possible. The radio chipset in use here is quite flexible.

Apr 01, 2009, 02:50 PM
Seeing the Farside.
Blaze.45's Avatar
Any mention on estimated price?
Apr 01, 2009, 03:03 PM
Registered User
JMSTECH's Avatar
Thread OP
Originally Posted by Blaze.45
Any mention on estimated price?
I'm working on that now, it all depends on the cost of a few parts we are trying to get. (waiting for quotes) If we are able to get an honest price then we pass the savings to everyone.
Apr 01, 2009, 03:29 PM
JettPilot's Avatar
Daniel did an outstanding job on the Dragon. Given what Daniel has already done, I am sure this long range system will be nothing short of AMAZING

Apr 01, 2009, 03:34 PM
FPV Flyer
wavess's Avatar
Does it come this system from intelligent flight?
Apr 01, 2009, 04:49 PM
reznikvova's Avatar
Hi Daniel,

Fool me once , shame on Mark.
Fool me twice, shame know who.

Apr 01, 2009, 09:37 PM
Registered User
JMSTECH's Avatar
Thread OP
Originally Posted by wavess
Does it come this system from intelligent flight?
Hi wavess,

I wish it did but Mark has his hands full at the moment so Daniel and myself decided to take this project outside of I.F. I'll keep everyone posted when and where to obtain these units.
Apr 01, 2009, 11:38 PM
Registered User
John is right, this particular project is not being offered through IF - it's a little private venture of John and mine so do bear with us.


p.s. .... fool me (twice), ..err... you can't get fooled again .... Bush43

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