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Xfinity using WiFi signals in your house to detect motion
(www.xfinity.com)
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this post was submitted on 01 Jul 2025
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"cheap" is a relative term.
Nobody should be buying a DOCSIS 3.0 modem these days. They are obsolete and for some reason still being sold.
A decent DOCSIS 3.1 modem is at least $200. A Next Gen like S34 is at least $220. At least at the big blue big box store. And then you have to get your own wifi.
(However, that big blue store also will give you a 15% discount on any networking purchase if you recycle an old network device...I traded in an old modem but you should be able to find a switch or router at a thrift store and still come out ahead)
It pays for itself pretty quick (by not paying rental fees), but that doesn't necessarily make it cheap.
I absolutely prefer using my own equipment, and do...but it's also worth mentioning that in many markets, Xfinity removed data caps if you have a rented modem.
It looks like DOCSIS 3.0 and 3.1 are for coax which should be avoid anyway . VodafoneZiggo is already starting with DOCSIS 4.0.
Can confirm, I live out in the countryside with only coax available, and a measly 1Gbit down 150Mbit up and 9 - 11ms ping. No caps.
Wait, that’s awesome and steady and reliable. Expensive sure but with heavy multiperson usage and no noticeable issues, I am wondering WTF you’re on about unless it’s some weird edge case?
Maybe you are referring to predatory business practices like oversubscribed lines? That’s not a technical problem.
Coax is generally a terrible and more expensive option, lower speeds all around and a worse ping. Especially now with fibre being so standard you shouldn't go for Coax if you have the choice.
Currently I do not have the choice so I have to pay 40 euro a month for 100mbps down and 25mbps up, with fibre I get symetrical gigabit for 45 euro a month or 400mbps symetrical for 40 euro. That's 16 times the upload speed for the same money. And the first party with their coax (VodafoneZiggo) sells their coax as a fiber-cable. Which is just misleading bullshit.
Heck the 5G modem I had was unstable at times, but the download was 100-200mbs and I paid 25 euro a month for that.