transmission speed; baud rate
Technical computing term for the rate at which data is transmitted over a communication channel.
このモデムの伝送速度は最大56kbpsです。
The transmission speed of this modem is up to 56 kbps.
伝送速度 is a broader engineering term for the rate of signal transmission, while 通信速度 specifically describes the communication speed experienced between devices.
downstream transmission speed
Compound of 伝送 (transmission) and 速度 (speed).