If its the WIFE signal, get her to shout louder...lol
But i am guessing you mean WIFI signal. Dont bother with the VM signal boasters, i have seen so many people say they are useless in all the VM forums.
Your SH (superhub) has two WIFI in it 2.4GHz and 5GHz.
The 2.4GHz is slow and longer range, but designed years ago. The 5GHz is faster, and most consoles will use it now.
The SH has always had useless WIFI on it, you could go modem mode, and addd your own router at extra cost, and you will find these have far better WIFI range and speed.
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Red (VM SH2 AC Beta tester)
Running on 1Gbps VM service with SH4 in Modem Mode, with a ASUS GT-AX6000 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 ?