noun
downstream transmission speed
Technical term used in networking and telecommunications to describe the data rate from a server or network to the user.
この回線の下り伝送速度は最大1Gbpsです。
The downstream transmission speed of this line is up to 1 Gbps.
Refers to upstream transmission speed, i.e., data sent from the user to the network.
Compound of 下り (downstream) + 伝送 (transmission) + 速度 (speed).