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GrandRC . CanoMod . A Main Hobbies

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Radio - JR & Spektrum DSM > 2.4GHz spread spectrum DX6
 
 
HUTCH964
Key Veteran
Location: Taylor,Texas USA ****** <;))))))><******

revolutionary 2.4GHz spread spectrum DX6

http://www.spektrumrc.com/DSM/Better/DX6-glance.html


Looks like it is not too far away for the 30/90 size Heli/Plank?

But those with the T-Rex & Shogun Could start right NOW! I don't have 1

Quote 
When using this system, (which operates just like you'll never have to worry about "noise" coming from your motor or speed control (or anywhere else on your model) affecting your radio's performance.


Anyone seen this & What do you think of it. ?

*****

Tim
10-21-2005 05:40 AM
HOMEPAGE  
 
 
rroback
Key Veteran
Location: Irvine (UCI), Ca

I'm going to see if they are actually available, and if so, I'm going to buy one asap.

Rhett... There's no power like E Power!
10-21-2005 06:31 AM
 
 
chuckhager
Key Veteran
Location: Clovis, CA

It's what we've been waiting for! Finally, SS technology for the model aircraft flyers. But I think I'll wait for the second or third generation transmitters and let others work the bugs out of the prototypes.

I'm thinking that might be one of the reasons they only came out with one specifically for the park flyers. - Beta testing.
10-21-2005 11:14 AM
HOMEPAGE  
 
 
HUTCH964
Key Veteran
Location: Taylor,Texas USA ****** <;))))))><******

I just hope I don't have to get a new radio just a module & rx... For my 9303 & 10X...



*****

Tim
10-21-2005 06:58 PM
HOMEPAGE  
 
 
cnk
Heliman
Location: NJ

If you read the entire description carefully, you'll see that the system is only meant for park flyers at the moment.
10-21-2005 07:04 PM
 
 
HUTCH964
Key Veteran
Location: Taylor,Texas USA ****** <;))))))><******

Yes seen that and if you read my first post you will note that I said .
Quote 
Looks like it is not too far away for the 30/90 size Heli/Plank?

&
Quote 
But those with the T-Rex & Shogun Could start right NOW! I don't have 1



*****

Tim
10-21-2005 07:08 PM
HOMEPAGE  
 
 
tattooedphreak
Heliman
Location: Salem Oregon is home, I work in Iraq

Hey, I have a question. Now I am not an expert in this sort of thing, but most new cordless phones and wireless internet routers run 2.4 ghz. Isn't there a danger of getting some unwanted signal? I know I had to get a new cordless phone because my wireless router was 2.4 ghz, so I had to go to 5 ghz. I realize that you can change the channel, but isn't it a little dangerous? 2.4 ghz is supposed to have a decent coverage area.

I have made plenty of bad choices in my life, but at least I was never a Marine!
10-21-2005 07:13 PM
 
 
tattooedphreak
Heliman
Location: Salem Oregon is home, I work in Iraq

And if that technology is so groundbreaking, why has it not been incorporated into the mass market areas like cordless phones? As it is you are worried about getting shot down from someone on one wrong channel. What if it picks a channel that is clear because there is no traffic on it then, but then someone's phone rings and that is the channell? As I said, I am no expert, but isn't this a little risky?

I have made plenty of bad choices in my life, but at least I was never a Marine!
10-21-2005 07:19 PM
 
 
JKos
Elite Veteran
Location: Town of California in the state of Maryland

"Since all devices on the 2.4GHz band are required to avoid other users (or else they wouldn't receive FCC type acceptance) there is no chance that another type of device using 2.4GHz can cause an issue with your radio. It just can't happen. They all work by the same rules"

Basically, this is what should be made to happen on our 72 MHz band as well and one radio on the market does check before turning on the RF output.

- John

Protos -- Logo 14 -- Logo 10
10-21-2005 07:34 PM
 
 
tattooedphreak
Heliman
Location: Salem Oregon is home, I work in Iraq

I understand about the digital spread spectrum and the continuous hopping, and please believe me I am not trying to argue by any means, but my cordless phone has the same thing but the wirless router I got still interfered enough to warrant getting a new phone. Just curious if this is really a safe thing. With rc cars, they only have 2 or 3 servos, so you probably wont notice anything severe, but heli's dont need a strong input to go haywire.

I have made plenty of bad choices in my life, but at least I was never a Marine!
10-21-2005 07:40 PM
 
 
JKos
Elite Veteran
Location: Town of California in the state of Maryland

> Just curious if this is really a safe thing.

We will see...

> I'm thinking that might be one of the reasons they only came out with
> one specifically for the park flyers. - Beta testing

Could be very true! It was put out first for ground use for exactly that reason. This could simply be the next step in that process. Doesn't the AMA also have some issues with how to handle it at AMA fields and events?

From reading the Spektrum web site, it appears that this system chooses two of the 80 channels and then does direct sequence spread spectrum within those two channels. That should, in theory, guarantee that even if another device comes on using the same channel, the DSSS aspect would help maintain reception of the intended transmitter.

- John

Protos -- Logo 14 -- Logo 10
10-21-2005 07:44 PM
 
 
tattooedphreak
Heliman
Location: Salem Oregon is home, I work in Iraq

Please everyone forgive me if I seem to be argumentative. I really did not mean to try and hijack this thread where he is just announcing availiblity. There is just a very very short path between my brain and my mouth (or hands, as the case may be!).

I have made plenty of bad choices in my life, but at least I was never a Marine!
10-21-2005 07:51 PM
 
 
JKos
Elite Veteran
Location: Town of California in the state of Maryland

BTW, when I get my hands on one, I'll be sure to measure the eCCPM performance and latency.

- John

Protos -- Logo 14 -- Logo 10
10-21-2005 07:58 PM
 
 
rroback
Key Veteran
Location: Irvine (UCI), Ca

I got one on order. I'm not sure if you bought one, but i'd send mine to you for testing, if you'd like. You may have to wait until november...

Rhett... There's no power like E Power!
10-21-2005 08:31 PM
 
 
JKos
Elite Veteran
Location: Town of California in the state of Maryland

Rhett,
That is a very kind offer. I'll PM you.

Is it just me, or does it not say any where on the web site what the resolution of the system is? 1024, 2048?

- John

Protos -- Logo 14 -- Logo 10
10-21-2005 08:42 PM
 
 
Helibras
Senior Heliman
Location: São Paulo, Brazil

Finally!!!

Took too long to someone think about new frequencies to R/C operation.

Maybe 2.4ghz is not the better choice for that but at least open up a discussion for that matter.


Gravity... the force to be defeated
Raptor 50SE; Hyper
Vigor CS; OS 91C-Spec MPII
10-21-2005 11:42 PM
 
 
onemetre
Senior Heliman
Location: Mansfield, Tx - USA

Resolution is 4 0 9 6. That $199 radio has double the resolution of the $2000 14MZ.

The factor that makes it better is the DSSS. The technology goes beyond the phone and actually only listens to it's paired partner. For those in the LA area I was told by the designer it's being debuted this weekend at the I hobby show.

Rob
10-22-2005 03:22 AM
 
 
HUTCH964
Key Veteran
Location: Taylor,Texas USA ****** <;))))))><******

Mark Ryder has a video here!

http://runryder.com/helicopter/rrTV...iHobbyExpo2005/

Pretty Cool!!!!!!!!!! I want a WiFi module & rx for my 9303!!


*****

Tim
10-22-2005 04:03 AM
HOMEPAGE  
 
 
onemetre
Senior Heliman
Location: Mansfield, Tx - USA

That's Paul Beard in the video. He previously owned Model Avionics and is the brains behind spektrum.

The 3 channel system has 4096 resolution. I'm beginning to wonder if that's still the case with the 6 channel system. I'd think they would be heralding that achievement if they could. Time will tell. I'll ask Paul next time I speak with him.

Rob
10-22-2005 04:32 AM
 
 
JKos
Elite Veteran
Location: Town of California in the state of Maryland

> Resolution is 4 0 9 6.

Excellent!

One very good thing for all of us is that because the transmitter antenna can be attached to the module or otherwise directly interfaced, that unit as a whole can be FCC type certified. Basically, all they have to do is make the correct physical and electrical interface to the current module bay of our radios and away you go. No need for the system to be sent in or otherwise modified.

EDIT: I was typing during your last reply Rob. Yes, please let us know what the resolution is. Also ask him what the latency is. Thanks.

- John

Protos -- Logo 14 -- Logo 10
10-22-2005 04:35 AM
 
 
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Radio - JR & Spektrum DSM > 2.4GHz spread spectrum DX6
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