In 2023, we saw a lot of Wi-Fi 7 routers, and in 2024, there will be even more. However, the issue is that in the first batch of these routers, we couldn't really use Wi-Fi 7 because the standard wasn't finalized yet, and there were hardly any devices that supported it. Now, Wi-Fi 7 is finally here, and it seems like all existing routers will be retroactively certified.
Wi-Fi 7 was just announced by the Wi-Fi Alliance, the organization overseeing Wi-Fi, at CES 2024, with several new features and improvements aimed at enhancing your wireless performance and connectivity. According to the Wi-Fi Alliance, the development of Wi-Fi 7 is the result of collaboration and extensive innovation from all companies within the group. They expect more than 233 million devices to adopt Wi-Fi 7 in 2024, and this number is projected to increase to 2.1 billion devices by 2028, including smartphones, PCs, tablets, access points (APs), customer premises equipment (CPE), and AR/VR equipment.
Notable advancements in Wi-Fi 7 include the introduction of 320 MHz channels, doubling the width of the current channels in countries with the 6 GHz band. Multi-link operation (MLO) allows devices to transmit and receive data simultaneously over multiple links, resulting in increased throughput, reduced latency, and improved reliability. Other features include 4K QAM for a 20% higher transmission rate than 1024 QAM, 512 Compressed block-ack for better efficiency, and Multiple RUs to one STA for better spectrum efficiency.
There are already many Wi-Fi 7 routers from ASUS, TP-Link, Netgear, and others. However, to benefit from Wi-Fi 7, both the router and devices using it must support this new standard. Unless you recently bought a router specifically supporting Wi-Fi 7, you might need to purchase a new one. The same goes for devices supporting Wi-Fi 7; even though they are available in stores, it might take a little while for everyone to use them. Some people are still using Wi-Fi 6. Nonetheless, it's exciting to see how far wireless internet capabilities have evolved.
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