Used sudden link Modem and router.
They have been with me for 3 years. I got them as used ones.
Modem -- Motorola SB5100
Router -- Netgear WGR614 v7
Cable -- 5 meters (~16 feet)
Cable -- 1.5 meters (4.9 feet)
Total = 30$
979-985-8854
I prefer them to go as a package deal.
https://collegestation.craigslist.org/ele/6159453202.html