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-   -   2.4 interference (https://www.rcuniverse.com/forum/gas-engines-142/11603293-2-4-interference.html)

dirtybird 08-26-2014 08:32 AM

2.4 interference
 
I found this on the ad for a Futaba trensmitter

Why is Futaba’s 2.4GHz system better?
Channel Shifting - This means that interference is virtually impossible. Futaba’s system only occupies each individual frequency for 2 milliseconds.
Stronger, More Robust Link - Futaba’s system doesn’t need redundant receivers. Instead, it uses a combination of Channel Shifting and Dual Antenna Diversity (DAD) to provide a robust, highly dependable link between the transmitter and receiver.
Pre-Vision Packet Screening Technology - This looks ahead for potential problems when scanning incoming data and applies sophisticated error correction techniques resulting in a system that gives the user a solid, impenetrable connection with their model.
Custom Developed Technology - Futaba uses custom IC chips that have been designed specifically for radio control.

So how does the receiver know what transmitter to link to?
Each transmitter has a unique ID code that after linking with the 2.4GHz receiver, assures this receiver will only follow commands from this transmitter. Set it and forget it! Just push the recessed button on the receiver and it will never forget the unique transmitter ID code, which locks the receiver to the transmitter. With over 134 million possible codes, there’s no chance for a conflict.

Note that they say interference is virtually impossible.
If you have an ax to grind go grind it with Futaba. I am not going to respond.

Dick T. 08-26-2014 08:48 AM

Not sure what your point is. Futaba is not say interference is 'impossible' but 'virtually' impossible.

Virtually:

adverb 1. for the most part; almost wholly; just about.
2. in effect though not in fact; practically; nearly.

I will say out of a variety of R/C systems I have used since 1966, for me Futaba emerged as the most reliable, JR second.

BadAzzMaxx 08-26-2014 09:00 AM


Originally Posted by Dick T. (Post 11868464)
Not sure what your point is.

Me either, this is the third thread he has started on this subject.

This is a link to the second one.
http://www.rcuniverse.com/forum/gas-...ce-2-4ghz.html

Milton

Milton

raptureboy 08-26-2014 10:52 AM

:confused::p Any radio signal can be jambed. If it were not so then why do they have jaming equipment on fighters? The horse is dead and the bones picked clean, so you can stop beating it.:rolleyes:

All Day Dan 08-26-2014 11:51 AM

How many times do we have to beat the sh*t out of this? Dan.

PLANE JIM 08-29-2014 03:40 PM


Originally Posted by Dick T. (Post 11868464)
Not sure what your point is. Futaba is not say interference is 'impossible' but 'virtually' impossible.

Virtually:

adverb 1. for the most part; almost wholly; just about.
2. in effect though not in fact; practically; nearly.

I will say out of a variety of R/C systems I have used since 1966, for me Futaba emerged as the most reliable, JR second.

I disagree-I own both and find that Futaba has had numerous problems as well as JR in the early 2.4-But JR is a better system then Futaba-I really do not need to validate-read up!

Dick T. 08-29-2014 07:26 PM


Originally Posted by PLANE JIM (Post 11870906)
I disagree-I own both and find that Futaba has had numerous problems as well as JR in the early 2.4-But JR is a better system then Futaba-I really do not need to validate-read up!

No need to read up on anything. Based on my personal experience since mid 60's Futaba is my first preference, JR the next. Hitec fits right in there too as I had as few issues with them as JR. Without a choice I would be comfortable with any of the three but Futaba is my primary choice as no issues ever, 72 or 2.4, period.


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