@Sjkeane2010 Your Extender is RE650, right? Via Tether app, after you configure extender， RE will need to reboot to apply all the new settings. Then you will lose the connection to its wifi. That's...

@MattHoule other device can connect to RE450 WiFi? Please check this. PS4 can be connected to your router wifi?

@El_Puto I noticed that the firmware is very old. Please update the firmware to the latest one. Here is the link. https://www.tp-link.com/support/download/tl-wa850re/v4/#Firmware Or this Download...

@Zaudi Hi If I'm not wrong you have bought 2 wired PLC? WPA4220 KIT has one WPA4220 which has wireless function. But PA4010P KIT has 2 wired PLC. PA4010P KIT do not have wireless function.

@Luck79 What's the model No. of your extender? Such as RE200, RE300. Also please login to it, and go to System Tools-->Firmware upgrade, then check the firmware and hardware version. One more thing,...

@Delvin You can add 2 or more 7/8/9 series powerline adapters into your network. Our powerline adapter support multi nodes. Normally we sell kits because only one powerline adapter cannot work. But...