Ok I think I have resolved this myself. The app on the iPhone doesn't give any suggestions as to what you could do...but when I connected the device to a computer and accessed settings via a web...

I've set up the RE to my wireless network. Let's call my existing wifi network name "MyWiFi" Using the tether app to set up the device, the network name in the extender is MyWiFi_EXT 1. Is it safe to...