Hi

i'm after some advice on how to increase the speeds between my Deco units.  I Recently brought an E4 3 pack but after having it a couple of months I realised the E4 Ethernet port could only handle 100mb and I'd just upgraded my speed to 200mb.

i brought a Deco M4 to be the Main Deco to make use of the Gigaport and use the E4 units in conjunction with it.

in the immediate area near the M4 unit I get slightly over 200mb running speed tests but in rooms where the E4 units kick in the internet is sometimes less than half that.

Any ideas how to get these speeds more in line with the M4?  I thought the E4 units were capable of speeds far greater than what I'm getting wirelessly.

i have no high priority rules under QoS 

thanks