こう帯域 たいいきネットワークであれば
kōtai iki nettowākudeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 高帯域ネットワーク

1. If it were a high-bandwidth network; Assuming a high-bandwidth network; When it is a high-bandwidth network

Ba Conditional
Computing