@Solla-topee Hi Solla-topee, Thanks for your response. The lower rate adapter is indeed plugged into the wall. Generally speaking, there are no major appliances around each device. I've also made...

Hi there, I have purchased a TL-PA9020P-Kit version 4 in Canada. Both adapters are in the latest firmware, 3.2.4_902104_190506_901. I am wondering why i have such a discrepancy transmission rate...