Plug-in card for Wi-Fi 5 out, plug-in card for Wi-Fi 6 in. The retrofitting of the WLAN measuring station in the publisher’s own test laboratory was not that simple after all. The upgrade required a large number of adjustments to hardware and software – but now the time has come: The TestLab can measure Wi-Fi 6. However, the project is still subject to one restriction, which also applies to all current users of Wi-Fi 6: So far, only client solutions for 2×2 MIMO (i.e. two data streams between the transmitter and receiver antennas) are available on the market. Although the standard also provides 4×4 and even 8×8 MIMO, which doubles the theoretical maximum data rates in each case, the speeds currently achievable via Wi-Fi 6 are therefore limited – see also “How connect tests” on page 45.
Higher reliability today, more speed tomorrow This restriction applies to current notebooks, tablets and smartphones as well as to the Wi-Fi 6 PCIe card in the measurement PC in our laboratory. A look at the measured values could be disappointing at first – apart from the fact that the data rates occasionally rise above 1 Gbit / s, they are hardly higher than with Wi-Fi 5. Nevertheless: Wi-Fi 6 already brings advantages today – above all more stable connections with high attenuation e.g. through walls. In addition, Wi-Fi 6 routers are better able to supply multiple Wi-Fi 6 clients with high data rates at the same time.
To some extent, switching to a Wi-Fi 6 router is an investment in the future. Those who are primarily concerned with high data rates will probably receive devices with Wi-Fi 6 and 3×3 or 4×4 MIMO in the second half of the year. Of course, we will then also retrofit our measuring station again in order to benefit fully from the WLAN of the future.
Source: RSS Feed: Connect – Vergleichstest by www.connect.de.
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