@Kevin_Z yes, the 4220s are on separate SIDS on the powerline but the 850s are WiFi direct to router. Both 850s are 3 lights and give poor speeds. The 4220s need regular rebooting as they often give...

I have a pair of 850 REs and a pair of WPA 4220s. They provide good coverage inside and outside (the 4220s are plugged in to outbuildings on the powerline network) but truly atrocious speeds. I get a...