ちょう こう帯域 たいいき無線 むせんではありませんでした
chōkōtai ikimusendewārimasendeshita

Noun
Desu Copula

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

1. Was not ultra-wideband wireless.; Was not an ultra-wideband wireless system.

Past/Perfective
Negative
Polite
Formal Register
Computing