たん方向 ほうこう伝送 でんそうではありませんでした
tanhōkōdensōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 単方向伝送

1. Was not one-way transmission.; Was not unidirectional transmission.

Past/Perfective
Negative
Polite
Formal Register
Computing