initially have a problem set this up w\/the usb cable & connect to we isp -lrb- Comcast -rrb- , but once I switch it to the Ethernet cable , it work just fine . be refurbish , not sure if we 'll have problem down the line a way , but for now it be work like a charm . not a bad price either . sure beat have to pay a $ 7\/month modem rental to we isp .