携帯 けいたい情報 じょうほう端末 たんまつだったら
keitaijōhōtammatsudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 携帯情報端末

1. If/when (I) had a mobile device; If (it) were a mobile device

Tara Conditional