Which technique divides a 20-MHz channel into 52 subchannels to transmit wireless data?

Which technique divides a 20-MHz channel into 52 subchannels to transmit wireless data?
A . OFDM
B . DSSS
C . CCK
D . FHSS

View Answer

Answer: A

Explanation:

Reference: https://books.google.com/books?id=YUyswy1Q19kC&pg=PA520&lpg=PA520&dq=technique +divides+a+20-MHz+channel+into+52+subchannels+to+transmit+wireless +data&source=bl&ots=KPOJ8iJ_Nj&sig=YBoHz6qyaghFqp0nEMngPEREHYE&hl=en&sa=X&ved=0ahUK EwiShOztuYXcAhUl9YMKHVcyA98Q6AEIVjAJ#v=onepage&q=technique%20divides%20a%2020-MHz% 20channel%20into%2052%20subchannels%20to%20transmit%20wireless%20data&f=false