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Author Topic: FrSky R9M....868mhz European Frequency.  (Read 3601 times)

Coyote

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Re: FrSky R9M....868mhz European Frequency.
« Reply #90 on: November 23, 2018, 04:16:28 PM »

I'll be honest, right now I have not got much to convince me right this second to chance it on a good plane. I'm very much hedging towards sitting glued to the reports from the new firmware's until a nice steady report of no issues becomes commonplace.

So far I have it on the Trainer and the mini quad and I have no issues at all to report so far to be honest.
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English Turbines

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Re: FrSky R9M....868mhz European Frequency.
« Reply #91 on: November 23, 2018, 04:26:00 PM »

I'll be honest, right now I have not got much to convince me right this second to chance it on a good plane. I'm very much hedging towards sitting glued to the reports from the new firmware's until a nice steady report of no issues becomes commonplace.

So far I have it on the Trainer and the mini quad and I have no issues at all to report so far to be honest.

  Im tempted to revert to a 2.4G XM Plus receiver on my Ranger G2 until they get it sorted out properly.  It's really easy to swap RXs anyway and I know the XM Plus is good and solid.

  Having said that I watched a quad video 2 kms out on flat ground only a few metres altitude running the latest Flex Firmware. The RSSI was very stable and working well now, so they seem to be making good progress.
  He was comparing the Super 8 and the True Mox and performance was similar although the Mox had a slight edge.


   
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Coyote

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Re: FrSky R9M....868mhz European Frequency.
« Reply #92 on: November 23, 2018, 04:42:05 PM »

Yeah Dallas had been having great success with Flex, but he was going to throw it all in the other day when it failsafed and didn't recover in time, took out his HD camera I believe, he was far from amused.
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Coyote

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Re: FrSky R9M....868mhz European Frequency.
« Reply #93 on: November 24, 2018, 06:02:11 PM »

With all the issues that arise putting people off due to horror stories you don't realise how some of them actually happened, now take for example this chap :

This guy will remain nameless, but he was asking if his antenna was ok on his R9MM receiver, if he hadn't included the picture none of us would have been aware of how the wires had been attached, the guy would have flown it, wrecked or lost it, then come on and blamed the R9 system labeling it as shite.



Luckily he did post it up and we were able to point out the glaring shorting issue and pending doom. He was completely unaware which is fine, typical thing really for people fresh tio  the hobby with no real electrical understanding, but how many have done things like this and come on bashing the product I wonder ?
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English Turbines

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Re: FrSky R9M....868mhz European Frequency.
« Reply #94 on: November 24, 2018, 08:40:52 PM »

  Ah, yes....learning to solder can take a while.

   Talking of the new R9M stuff, I was surfing around today looking for an F405 FC and it would appear that Ali Express is the place to buy your R9M stuff.
  They have all kinds of Combo Deals on right now and a choice of RXs.

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« Last Edit: November 24, 2018, 08:49:17 PM by English Turbines »
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Coyote

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Re: FrSky R9M....868mhz European Frequency.
« Reply #95 on: November 29, 2018, 05:51:59 PM »

For anyone's interest :

www.youtube.com/watch?v=bFuw25GEQmk
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English Turbines

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Re: FrSky R9M....868mhz European Frequency.
« Reply #96 on: November 30, 2018, 11:59:41 AM »

  I was waiting for this guy to do this, as expected, they are all made as FCC units.

 Mine came from Bangood on the Pre-Order this in itself tells a story, set up a pre-order and then re-flash and package the EU units you need according to Sales quotas.

 Mine measures 70mm (not 74mm) so it looks like I will have to peel back some screen and put a longer ground plane wire on it, doesn't sound too difficult.
  I'm sure Pawel will fly it again after modding, they still have Summer in Mainland Europe it looks like...lol
Results will be interesting.

                                        What is it with FrSky and their antennas?


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Coyote

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Re: FrSky R9M....868mhz European Frequency.
« Reply #97 on: December 03, 2018, 07:25:05 PM »

Well yesterday's R9 journey didn't exactly go great.

I bought an R9 Slim+ for the Talon. Got it out, flashed it with my current firmware, bound to the Taranis, servos all moved all good !

For less than 5 mins so was happy, but then the servos didn't move, the fc showed no signal, all LEDs off Slim+ red hot. Unit dead :(

So glad that happened on the bench not in the air. Faith in R9 At a low. Giving serious consideration to buying Crossfire back.
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CurryKitten

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Re: FrSky R9M....868mhz European Frequency.
« Reply #98 on: December 04, 2018, 03:01:05 PM »

That massively sucks Ian :(

I found out some info today on the Super-8 antennas that I wanted to share as there was some confusion over the Super-8 antennas in terms of where they were tuned.  I spoke to FrSky and it's all down to coloured bands.

No band - this is the first batch (which I have) it's tuned to 900Mhz with a range of 860-920Mhz
Red band (2nd batch) or Blue band ("current batch") is FCC, and so tuned to 915Mhz
Yellow band is LBT, so tuned to 868Mhz

I presume this is the same as the T-Antennas as I have an 868Mhz one and it has a yellow band on it.

Coyote

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Re: FrSky R9M....868mhz European Frequency.
« Reply #99 on: December 04, 2018, 04:47:52 PM »

Interesting I'll have to check mine when I get in.
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English Turbines

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Re: FrSky R9M....868mhz European Frequency.
« Reply #100 on: December 04, 2018, 08:27:04 PM »

 R9MM Receiver: 

Im going to extend the active element out to 74mm, should not be too difficult.  Then fit a new ground plane wire. Then compare the results, should be fairly easy to do.
  200mw @ 868mhz should perform way better than it has been doing, so there is more to come for sure.  Could do with Pawel making a Homemade RX antenna specifically for 868mhz, so we can copy it using the same materials.
  FrSky clearly have a QC problem again with their antennas, shocking for such a big Company to get this basic stuff wrong.

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Re: FrSky R9M....868mhz European Frequency.
« Reply #101 on: December 04, 2018, 10:40:22 PM »

That massively sucks Ian :(

I found out some info today on the Super-8 antennas that I wanted to share as there was some confusion over the Super-8 antennas in terms of where they were tuned.  I spoke to FrSky and it's all down to coloured bands.

No band - this is the first batch (which I have) it's tuned to 900Mhz with a range of 860-920Mhz
Red band (2nd batch) or Blue band ("current batch") is FCC, and so tuned to 915Mhz
Yellow band is LBT, so tuned to 868Mhz

I presume this is the same as the T-Antennas as I have an 868Mhz one and it has a yellow band on it.

Where did you get your T antenna?

Chris
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English Turbines

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Re: FrSky R9M....868mhz European Frequency.
« Reply #102 on: December 05, 2018, 11:14:29 PM »

  How to modify the 915 mhz R9MM antenna for 868mhz....its really easy to do.

 I was waiting for this...:)


www.youtube.com/watch?v=RQWZr4vw-zs



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English Turbines

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Re: FrSky R9M....868mhz European Frequency.
« Reply #103 on: Today at 12:11:24 AM »

  So, tonight I fixed my R9MM receiver antenna.

  Actual measured length was 68mm.....So way out...!!

  Soldered a bit on and then trimmed it back to 78mm for 868mhz.

 Will test fly again tomorrow all being well, to see if it improves at all, be interested to hear from others and what theirs measure?

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Coyote

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Re: FrSky R9M....868mhz European Frequency.
« Reply #104 on: Today at 12:30:59 PM »

I've got one at 70 and one at 74
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