If you mean the VM SH3. As a router is a total waste of space. IMHO its not fit for purpose. No wonder is given away free.
As a modem only it works better, than add your own router, and online gaming will be better.
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Red (VM SH2 AC Beta tester)
Running on 1Gbps VM service with SH4 in Modem Mode, with a ASUS RT-AC5300 router. With this setup I get Fantastic WIRED and WIRELESS Signals in my home. I dont work for VM. But I work in IT, and I know my tech.
My advice is at your own risk. If you are happy with my answers please press Kudo ?