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Offline NiK

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Re: Keyfob spec
« Reply #20 on: July 19, 2019, 08:26:00 AM »
*Originally Posted by Icy [+]
Nik, is your fob in a pocket? Did you try just leave it hanging out on a carabine or something? I am wondering if that weak radio transmitter is having trouble penetrating through your pocket or something - just curious...
Had this idea too.
However, the system had been working perfectly for 3 months (before the complete system shutdown/failure which left me stranded for two months). Something was changed in the software to get the bike back on and keyless problems started then.

Offline NiK

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Re: Keyfob spec
« Reply #21 on: July 19, 2019, 08:40:29 AM »
OK gents, as for radio interferences:
- My keyfob has always been in my jacket's lower left pocket.
- My cell phone is in my upper right inner pocket.
- I have no BT device whatsoever. When I ride, I do just and only that: riding (well, I'm singing also, but I don't think this could interfere ;-).
- My daily commute is always the same.

In any case, having the keyfob in a pocket is the standard use case. There couldn't be any excuse for a system that can't perform in this situation.

My guess is that they did a compromise regarding security/battery use/function. So they probably chose the least emission range that was working in a typical riding situation. Being too close to the reception limit must cause micro interruptions that a good software wouldn't display. Typical alerting in such systems must be triggered only when a given number of signal losses occur within a specified timeframe. My shutdown could've been caused by a high threshold, which they lowered too much. By the way, alerts come and go randomly during my daily commute. This matches typical instability in radio systems.
I'll try to expose this hypothesis to big T, but I'm not expecting any miraculous answer from them anymore.

Offline XCaTel

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Re: Keyfob spec
« Reply #22 on: July 19, 2019, 09:20:38 AM »
*Originally Posted by NiK [+]
By the way, alerts come and go randomly during my daily commute.
This was the case with my bike, I would get a keyfob out of range mid-ride very often, even after changing the keyfob battery.

Online T800XC

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Re: Keyfob spec
« Reply #23 on: July 19, 2019, 09:41:49 AM »
*Originally Posted by kenw [+]
...I imagine the keyfob works at 433MHz, at least in Australia...

Correct.

The keyfob system is manufactured for Triumph by Pektron and uses 433.92MHz and 134.2kHz.

Approvals info on the Triumph website...[Here]


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Offline Benchmark

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Re: Keyfob spec
« Reply #24 on: July 19, 2019, 10:04:44 AM »
*Originally Posted by T800XC [+]
Correct.

The keyfob system is manufactured for Triumph by Pektron and uses 433.92MHz and 134.2kHz.

Approvals info on the Triumph website...[Here]

And for the malicious very easy to block as transmitters covering 433.92Mhz are readily available as it sits with the 430-440Mhz (70cms) used by Radio Hams.

Online Icy

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Re: Keyfob spec
« Reply #25 on: July 19, 2019, 01:12:53 PM »
*Originally Posted by NiK [+]
Had this idea too.
However, the system had been working perfectly for 3 months (before the complete system shutdown/failure which left me stranded for two months). Something was changed in the software to get the bike back on and keyless problems started then.

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Offline CaptainTrips

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Re: Keyfob spec
« Reply #26 on: July 19, 2019, 04:15:20 PM »
*Originally Posted by kenw [+]
The strong very high frequency signal would simply have overwhelmed the bike's receiver.
I guess that is what I was trying to say...
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Offline KenW

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Re: Keyfob spec
« Reply #27 on: July 20, 2019, 12:12:59 AM »
*Originally Posted by CaptainTrips [+]
I guess that is what I was trying to say...
And you pretty much did.  I was being picky.

RF interference is very common.
In Australia we currently have a lot of people with TV reception affected by 4G mobile phone signal - I suspect I'm one of them.
The 433MHz band is used here by countless devices like doorbells, audio and camera baby & front-door monitors, garage door fobs, car keyfobs, hobby use, etc etc.
Its no wonder we have problems.
Triumph built in to the T1200 a weakness that none of us (on this forum at least) wanted, just to follow the market leader, BMW.

I appreciate not having to get a key out to start the bike, but I also always feel a slight trepidation as to whether I'll have a problem with it.  I don't carry a spare battery, as I know I can use a flat keyfob by placing it next to the receiver.
I think we all just need to be aware of the factors likely to affect the keyfob.

All that said, I don't ever recall having a problem with my car keyfob (Subaru Outback).

Offline CaptainTrips

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Re: Keyfob spec
« Reply #28 on: July 20, 2019, 01:11:14 AM »
Like Peter Parker's uncle said, "With great complexity comes great irritability."
"The test of the machine is the satisfaction it gives you. There isn't any other test."   --   Robert M. Pirsig

Online Icy

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Re: Keyfob spec
« Reply #29 on: July 20, 2019, 01:48:52 AM »
*Originally Posted by CaptainTrips [+]
Like Peter Parker's uncle said, "With great complexity comes great irritability."

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