ContributionsMost RecentMost LikesSolutionsRe: do i need a modem or router? which model & brand is best? Netgear C7800 we have a magicjack that relies on internet connection Re: do i need a modem or router? which model & brand is best? can i just use a router? or can it be a modem with a router in it? do i need to get it activated through cox? or can i just install it myself then return the panoramic modem to the cox store? do i need a modem or router? which model & brand is best? i want to avoid rental fees on equipment. i am thinking of buying netgear cax80. i recently upgraded my internet to ultimate 500. i guess my old modem/router is not capable of the higher internet package. any help is appreciated. is there a required modem on gigablast? i have my own docsis 3.1 modem and i try to upgrade it to gigablast but the rep said i need to have a cox modem