A device includes a signal coming from the device, or multiple computers, as well as hubs, but differ from the hub, namely data transmission from one device will not be distributed to every point like a hub.
The device combines the signals from multiple computers or devices like hubs. But there are differences from the hub is to transfer data from one device. Will not spread to all the same hub.
A device includes signal from the transmitting and receiving devices or multiple computers, as well as the hub, but there are differences from the hub. The transmission from the device. Will not spread to all the points as the hub.