I wonder what the problems are, mine work perfectly router to dialog with ethernet, phantoms on wifi. I have changed routers twice not due to phantoms and both worked Dialog and router are quite close to phantoms perhaps two meters.
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It will be instructive if you can elaborate on the specifics of your application i.e. Router types and manufacturers, Ethernet cable class, wifi wasps, AC config, listening environment, source options used for streaming, and optical sources, Spark app devices, and music file types ( MP3 to 24/192 ), your use of Bluetooth sources..... And any glitches or artifacts in any scenario since you received the gear.
Your Dialog, Router and Phantom 2 meter proximity is unusual.