TRENDnet TEW-635BRM User Manual page 28

If the SSID is not listed
If the "Broadcast SSID" setting on the Wireless ADSL Router has been disabled, its SSID will
NOT be listed on the screen below.
In this situation, you need to obtain the SSID from your network administrator, then follow
this procedure:
1. Click the Advanced button to see a screen like the example below.
2. Click the Add button. You will see a screen like the example below.