receive my ZOOM 5350 3.0 Modem-Router combo today . could not wait to install it . call cox . internet and within minute the ZOOM 5350 be up and run . wait at least ten minute for a tech person come on line to give he the MAC address , etc. . this dude know how to connect with speed to the internet . my old Motorola Surfboard SB5100 modem as become of old age and need replace . my surfboard sb5100 download speed be 22.24 mbp , and upload speed be 3.54 mbp . this zoom 5350 as lighting download speed of 28.56 mbp and upload speed of 8.14 mbp . that be good enough for I and not complain . I 'll report back in couple month for another report .