I’d like too extend the cable with an USB over CAT6, but it’s USB1. Will that affect the speed of the system?
What do you mean over cat6?
Is the G800 device a USB device? then you need to use a USB cable…
I think he means a USB over Ethernet device.
I don’t know what is a G800 stick, but USB1 is ancient and struggles to reach 12Mbit/sec.
Probably something like this Amazon.com: USB Over Cat6，SNLLMZI USB RJ45 Extender Over Cat5/Cat5e/Cat6/Cat7/Cat8 Cable Extension Cable Connector Adapter - 2 Pairs : Electronics which isn’t really Ethernet, just uses the same cable.
USB 1.0 operates at 12Mb/s maximum which is far higher than the serial speeds used by the Z-wave controller. You shouldn’t have any issues at all.
Wouldn’t it be cool if people said what they mean? Or, put a link to the device they are talking about so others don’t have to guess?
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First google hit says a Gulfstream(has a stick on it’s nose, or Mercedes 4x drive, but maybe it’s the Samsung phone G800, or the usb-floppy disk conecter, or maybe the gaming headset, or golf stick or hockey stick Or… yup been bothered me all day 
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No idea where that G came from, I wrote the message on my phone, which I never do, I just didn’t have a PC within reach. I meant an 800 stick, implying an 800 series stick. I have edited the heading to avoid more confusion with a plane…
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CAT6 is a cable standard, not a network protocol, so it’s not USB over IP, AKA USB over Ethernet (the link to “USB over Ethernet” is actually a regular USB Ethernet card, this is an actual USB over Ethernet solution). USB over IP is not stable enough in my experiece with it, I tried several in my previous job and stopped using them. USB over CAT6 is just as stable as a regular USB cable, but the speed is limited in affordable versions. There are also HDMI over CAT6, sound over CAT6 and probably other things as well that I haven’t used. CAT6 is used because it is less prone to noise than CAT5e.
It didn’t really occur to me to link a device or write anything more than the actual name of the type of device (note that in the link from @mterry63 it stats with “USB over Cat6”) I figured this thing was well known. I see that I was wrong.
@mterry63 Thank you for answering the actual question. 
Then I should have no problems!
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I Didn’t even noticed Your Z-Wave tag, sorry 
, would have given me an other perspective.
And why Google shows me the new Streamliner, and newest Model of Mercedes 4x, i just got pissed on Google, i never search for similar, most searches and bookmarks are IOT related ( and most time with the “price” as search word (to get products), but somehow they got an idea that i might was in buying a Streamliner or fancy expensive Car 
Nobody said that… They said it’s 12mbps.
If you’re trying to extend ZWave there may be better supportable ways. I worry you’re about to smash your face into an XY problem…
@boheme61 No problem. I have gone to Duck Duck Go a long time ago, and seing the new AI stuff that Google pushes makes me happy for that. I prefer to search and then decide for myself what’s relevant for me.
@NathanCu So you differentiate between issues and problems, then? Since you say nobody said I should have no problems. Quote @mterry63:
USB 1.0 operates at 12Mb/s maximum which is far higher than the serial speeds used by the Z-wave controller. You shouldn’t have any issues at all.
Maybe it’s because I’m Norwegian and not a native English speaker (but a translator by trade) that I assume that “you shouldn’t have any issues at all” means the same as “I should have no problems”. As for (what I assume you mean by XY) unknown problems, I will handle that if that arises. I have used the USB over CAT6 devices for several other types of USB (RFXtrx, Tellstick Duo, keyboard/mouse dongles and so on) and never had any kinds of problems. I was unsure about the Z-Wave dongle, but with that overhead in speed I expect no problems. Or issues.
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You didn’t ask what are issues with extending ZWave and what’s the RIGHT way to do it.
You made an assumption that the tech works for that without asking is there a better way. That’s the fundamental flaw.
The link I provided is a USB → Ethernet → USB connection that I use to remote my USB Zigbee dongle from my Home Assistant server.
I am dubious about USB over IP through switches. Too many choke points.
A/V and HDMI over Ethernet is basically balun transformers at each end to convert the signals into twisted-pair cables like Ethernet. USB over IP requires protocol handling chips. Cheap USB over Ethernet adapters (like my dongle extender) just rewires the USB lines to Ethernet which reduces their speed and cable length.
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OK, if that’s what you sendt, Amazon probably did something, because that’s not what I got here. This is the description and picture that I got from that link:
Note that it’s a one pack, but you can get a two pack. It’s a regular USB network card. As for the USB over CAT6 that I use I have been using them both in my previous job and privately for many years, never had problems with them.