@PowerlineFW I agree with you that the adapters need to be worked on the same frequencies to achieve stable and fast connection. I also firgure out when the flashing light issue happen, I can reset...

@Carl I got 5 av2000 in my house, they have been working perfectly in last one year, but the power line led just started flashing green/red since couple hour ago, the other leds stay solid green, I...