Hi there,   I am not sure someone else ever experience this problem. My in law and myself has exactly identical circumstance, we both have NBN-HFC installed with TPLink VR1600V Voip modem router. Nevertheless, ever since 6 to 9 months ago, no too sure there is any firmware upgraded to the modem router, we both experience wifi signal dropped, as the result our samsung smart TV or mobile devices experience weaker signal and cannot stream our video at same location where our TV was.    I look into our current router firmware version, here is the info for your reference.   Hardware Version:Archer VR1600v v2 00000000 Firmware Version:0.1.0 0.9.1 v5006.0 Build 200810 Rel.53181 ... View more