周波 しゅうは すう分割 ぶんかつマルチプレクサでしょう
shūhasūbunkatsumaruchipurekusadeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 周波数分割マルチプレクサ

1. Frequency-division multiplexer, likely.; Probably a frequency-division multiplexer.

Polite
Presumptive
Conjecture
Computing