Wi-Fi 7 (802.11be) Performance Explorer

Interactive Performance Calculator

Channel Bandwidth (MHz)

Spatial Streams (Antennas)

MCS Index: 13

Guard Interval (GI)

Modulation: 4096-QAM

Coding Rate: 5/6

5805

Theoretical PHY Rate (Mbps)

4064

Estimated Throughput (Mbps)

Estimated throughput assumes a general network efficiency of ~70% to account for protocol overhead, interference, and other real-world factors.

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The theoretical PHY (physical layer) data rate is calculated based on several key factors of the Wi-Fi signal. The formula is as follows:

Data Rate = (N_SD × N_SPS × R × N_SS) / T_SYM

N_SD Number of Data Subcarriers: The total number of tones within a channel that are used for carrying data. This number increases with channel bandwidth (e.g., 320 MHz has more subcarriers than 160 MHz).
N_SPS Number of Bits Per Symbol: Determined by the modulation scheme (e.g., 4096-QAM transmits 12 bits per symbol). Higher MCS values use more complex modulation.
R Coding Rate: The proportion of the data stream that is useful data versus error-correction data. A rate of 5/6 means 5 bits are data for every 6 bits transmitted.
N_SS Number of Spatial Streams: The number of independent data streams transmitted simultaneously, directly related to the number of antennas used.
T_SYM Symbol Time: The duration of a single symbol transmission, including the Guard Interval (GI) which prevents interference between symbols. A shorter GI increases the data rate.

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Bandwidth	Streams	MCS	Modulation	Rate	GI 0.8µs PHY (Mbps)