ちょう こう帯域 たいいき無線 むせんじゃなかったです
chōkōtai ikimusenja nakattadesu

Noun
Desu Copula

The polite, past negative form of 超広帯域無線

1. Wasn't ultra-wideband wireless.; Wasn't an ultra-wideband wireless connection.

Past/Perfective
Negative
Polite
Casual Register
Computing