@PoisonJam Hello, what is the model number of your old device and this AV2000? It starts with TL-WPA/PAXXX, you can find it on the back label. For your information, all the powerline adapters are...

@GoblinGirl Hello, what is the model number of the AV500? You can find it on the back label, which starts with TL-PA/WPAXXX. What is the current led status of it? Please ensure that the middle led...

@Davec1510 Hello, what is the model number of the AV600? You can find it on the back panel, which starts with TL-WPA/PAXXX. What is the light status of them when they are plugged into upstairs? With...

@Breg90 Hello Adrian, for your information, all the TP-Link powerline adapters are compatible with each other. For the recommendation, the 7/8/9 series would be better; you can read this article to...

@dave_od For your information, all the TP-Link powerline adapters are compatible with each other. For the recommendation, you can read this article to get more details....

@Ar_On Hello, thanks for your information. May I know what is the model number of your main router? Could you please login to the web UI of the main router and show us a screenshot of the wireless...