This Linksys WRT54GS, a combined router and Wi‑Fi access point, operates using the 802.11g standard in the 2.4 GHz ISM band using signalling rates up to 54 Mbit/s. For comparison, this Netgear product, a combined router and Wi‑Fi access point from 2013, uses the 802.11ac standard in the 5 GHz band, with signalling rates up to 6933 Mbit/s.
620. * Single-device speeds in megabits per second (Mbps) As the table shows, we recorded faster speeds using Wi-Fi 6—from 177Mbps to 202Mbps faster than our recorded Wi-Fi 5 numbers, in fact. But if you connect a Wi-Fi 6 smartphone to a Wi-Fi 5 router, you generally won’t see real-world speeds any higher than 700Mbps.
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difference between 20mhz and 40mhz wifi