直交 ちょっこう周波 しゅうは すう多重 たじゅう変調 へんちょうでしょう
chokkōshūhasūtajūhenchōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 直交周波数多重変調

1. Orthogonal frequency-division multiplexing, likely.; Probably OFDM.

Polite
Presumptive
Conjecture
Computing