On Networks N300RE User Manual - Manual (Page 12)

Getting Started
12
N300RE WiFi Range Extender
When this happens, your computer is automatically disconnected from the extender WiFi
network.
7. (Optional) To use the same password to access the extender network that you use for your
network, click the copy password button.
8. With the software that you use to manage your wireless connections, join the extender
wireless network.
9. Select the check box to confirm that you have connected to the extender network.
10. Click Continue.