Join Date: Feb 2008
Location: Toronto East Downtown
Sounds like your PVR is connected to the modem by wi-fi rather than by Cat 5+ cable - you'll get a solid connection with the latter. (I'm assuming the "box" is a wifi repeater).
It may be that the wi-fi channel is conflicting with others in the vicinity - check with an app on your phone.
More info needed re your setup, but once you eliminate any wi-fi issue, then perhaps a question to "Bell Canada Direct" on another forum may well help.
Sony KDL40W3000, Denon S740H AVR, Firestick, Synology 209, ASUS PC, Sony BDPS350, turntable, two-zone speakers