@1356 Hello, the network security key is the wireless password, the default one is printed on the bottom label of the actual device, which is 8 digits numbers. May it help and have a nice day.

@jj9675009 Hello, what is the model number of the TP-Link device? Please provide more information about the current question. Thanks in advance, and have a nice day.

@Danci Hello, did you use the modme router's wifi password to configure the TL-WA801ND as a repeater? With your cellphone connect to it, please click here to check the IP address and gateway....

@andremoura Replied to you https://community.tp-link.com/en/home/forum/topic/168754

@andremoura Replied to you https://community.tp-link.com/en/home/forum/topic/168754

@andremoura For your information, all the TP-Link powerline adapters are compatible with each other, while considering the current TL-wWPA8730kit, it is suggested to use 7/8/9 series. You can refer...