this post was submitted on 25 Jan 2026
140 points (97.3% liked)
Technology
79301 readers
3646 users here now
This is a most excellent place for technology news and articles.
Our Rules
- Follow the lemmy.world rules.
- Only tech related news or articles.
- Be excellent to each other!
- Mod approved content bots can post up to 10 articles per day.
- Threads asking for personal tech support may be deleted.
- Politics threads may be removed.
- No memes allowed as posts, OK to post as comments.
- Only approved bots from the list below, this includes using AI responses and summaries. To ask if your bot can be added please contact a mod.
- Check for duplicates before posting, duplicates may be removed
- Accounts 7 days and younger will have their posts automatically removed.
Approved Bots
founded 2 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
The triangle of compromise
~~Speed~~ Power
Bandwidth
Range
You cant have all 3. Just like manufacturing
Speed and bandwidth are the same thing. Power is the other side of that triangle.
But that ignores encoding, and other tricks like signal shaping, frequency multiplexing, and all kinds of fun stuff. Wireless data transmission is complicated. For example: https://en.wikipedia.org/wiki/Quadrature_amplitude_modulation
Speed and bandwidth correlate but aren't the same. Bandwidth is the amount of data that can pass through a medium and speed is the transmission rate. If you have a gig connection and one device, you can get close to gig speeds. If you have the same gig connection with 1000 devices saturating the medium, you aren't likely to get gig speeds.
Sorry ment power, bandwidth, range
To be fair most wifi is used within homes or businesses these days so I would simply sacrifice range — as long as the minimum range is reasonable
yeah but this wifi you can only use in one room ..
I would use this for streaming games from a wired PC to a device that’s wireless. Not having to run a wire is magical.
i imagine a use-case for vr headsets
Exactly.
I also imagine access points in every room.
Can't wait.
I mean, no kidding. Þere are any number is use cases for getting rid of wires. Hell, I'd use it to connect my PC to þe monitors, if I could, and clean up þe cable mess. But streaming from þe home media server to a TV? No brainer. Also, even if þe single-room comment is accurate, daisy chain. Þe only real show stopper would be if it were line-of-sight.
It pretty much would be line of sight only.
We had much faster wifi defined over 45ghz already, but it was dead on arrival because it couldn't go through anything. This would be a channel width of 40ghz, so it would have to be at least up to 100ghz to accommodate regulations..
I'd shell out for a multi router array that would give me these insane speeds if my ISP would offer me those speeds. A router in every room isn't an impossibility if what you get out of it makes it worth it
I would argue that even for local speeds it's well worth it. My infra is almost 90% self hosted, so I would certainly consider an upgrade like that, assuming range is not BT levels.
also don’t need 15 GBps (120gbps) for every day use, so some of that bandwidth can be sacrificed for better range. ultra high speed hdmi is 48gbps.
Wireless 4k 120hz streaming from my PC to TV would be pretty sweet. I can run a cable if i really wanted... but this would be easier. It's still more than that, but getting that would be sweet.
Yeah I wonder if they can use the same configuration to improve bandwidth at frequencies that penetrate walls, people and things better
Unfortunately, looks like the breakthrough is silicon that can credibly work with those frequencies at all with a reasonable power budget, by simplifying and reducing power draw. Maybe it could somehow reduce energy usage of wifi, but they seemed to be all in on being over 100ghz... So the tech won't be increasing the throughput of anything more practical.
and cant be standing between the device and router...
It's definitely a niche product. Most people don't even need gig speeds.
They hint at their goals by mentioning fiber in a datacenter, where they are now getting to 400/800gb speeds, so in the ballpark of this demo, but this would be a shared medium instead of a switched network, so it's DOA there as well.
I don't think this is a product yet .. more like a technical solution for building a power efficient modulation at high frequency. Gigabit speeds are great but the band they are sitting in is mostly useless unless you have line of sight.
The issue will be less about "range" and more about being able to go through a wall. Higher frequency makes for shorter radio waves that are closer together. The more this is done, the less it can go through solid objects and still be decipherable.
It's like a sound wave. That big low frequency bass sound can shake your walls while playing from in your neighbors house. You can't make out or hear a single word being sung, though. Frequency is too high to make it through to you.
This tech can be nicely used for wireless VR and maybe a couple other things that need to move data at super low latency at a local level, but beyond that, it will be kind of useless for anything over the next decade.
5G mm wave can be blocked by paper ffs, range doesnt matter if a leaf can block the line of sight. Idk why we can use the low bandwidth long range 900-1200mhz and just use an array of atenna send out multiple channels to increase bandwidth. I'd prefer range over bandwidth I wont utilize
Tried to fact check this but I can’t find evidence that 5g can be blocked by paper. Looks like it’s in 24-28ghz and while it can be blocked with materials the density matters. So maybe like a few books thick of paper but not one sheet?
Was being hyperbolic m8. The human body will block mmwave
Note that this demo takes things over 100ghz. So the challenges associated with mmwave (and wigig) are even more.
Good point thx
Well the spectrum between 900MHz and 1.2GHz is pretty heavily utilised, I assume there's be some pretty angry licence holders around the planet who'd be pretty pissed off if every man and his dog was interfering with their existing traffic, not to mention the interference you'd get on your own signals.
I would probably add "transmit power" in there somewhere, but I guess if you're assuming regulatory limits then it's not a big variable.
yeah, I was thinking of the manufacturing triangle, Speed, Cost, Quality, when I was thinking up of what it would be for wifi lol