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ISP :

I have just installed a new VR2600

Currently I have separate SSIDs for the 2.5GHz and 5GHz WiFi

Will devices switch between frequencies if I use the same SSID?
I assume devices that just support 2.5GHz would work OK?

Does this effect the MU-MIMO functionality in any way?

(there's nothing in the manual or FAQs related to this)

Thanks