about cnet networks

i have 3 connection from smart wireless broadband.can i put number 1 connection to the router and output to the hub with 10 computers and the 2 remaining connection can i put it directly to the cnet network hub.the kbps of one network is 384.if i connect this 3 then will my speed of kbps with be tripple or will be 1152kbps all in all.the 3 connection have there own power supply.would it will be dangerous to put the remaining 2 connection with power supply on it to the cnet network hub.thank you for your time.Godbless