According to the 802.11 standard, how wide are 2.4 GHz band OFDM channels?

According to the 802.11 standard, how wide are 2.4 GHz band OFDM channels?
A . 5 MHz
B. 22 MHz
C. 20 MHz
D. 3 MHz

View Answer

Answer: C

Explanation:

Reference: https://www.cnrood.com/en/media/solutions/Wi-Fi_Overview_of_the_802.11_Physical_Layer.pdf