It’s only been a few years since WiFi 6 technology was finalized and the first routers and mobile devices with support for 802.11ax started to hit the market. And now Taiwanese chip maker Mediatek says it’s already demonstrating WiFi 7 hardware to customers and industry partners.
WiFi 7 is still a work in progress and the specification, also known as 802.11be, hasn’t been finalized yet. But MediaTek says the first WiFi 7 products are expected to launch in 2023, bringing support for faster speeds and reduced network congestion.
According to the WiFi Alliance, 802.11be will support max throughput of 30 Gbps or more, which is a big step up from the 9.6 Gbps top speeds available with WiFi 6.
MediaTek says its WiFi 7 Filogic system uses “multi-link operation (MLO) technology to aggregate multiple channels on different frequency bands simultaneously to offer improved performance even when there’s interference or congestion on one or more network bands.
Other improvements are expected to include support for 320 MHz channels, support for 4K Quadrature Amplitude Modulation (4K-QAM), and reduced latency and jitter (the former measures how long it takes for data to travel between endpoints, while the latter measures the amount of inconsistency in latency times across a network.
Even if the WiFi 7 standard is adopted quickly and the first devices featuring WiFi 7-capable hardware begin shipping next year though, it’ll likely be a number of years before 802.11be becomes the norm. Fortunately, like most WiFi standards, it’s backward compatible so that if you buy a next-gen router, laptop, phone, or other wireless device, it should work with your older hardware.
But with a growing number of internet-connected gadgets hitting the market, the growth of 4K (and maybe even 8K) video streaming, game streaming, and smart home technologies, it’s easy to see why a wireless standard that offers competitive performance with some of the fastest wired networks could become attractive.
Mediatek has preferential access to TSMC nodes and is looking to be a leader in all next generation wireless technologies. I would not be surprised if the US starts imposing tariffs on their wireless products, to help Qualcomm become competitive again.
It looks like it hasn’t made it into this one, but IEEE 802.11bf devices are things you should avoid whenever possible. That specification hits in 2024.
Those devices will have WiFi Sensing, and I have no reason to trust that they’re giving anyone any control over what data, or automated interpretations of it, they transmit to remote servers.
I’ve read an IEEE article on it, they don’t even mention measures taken to protect privacy even though they know just how invasive that can be.
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