Thanks. it is working really well, so if it ain't broke.....but I was curious!

@woozle you are right. When I moved the extender the red light went blue. Tether confirms the strength of the signal. And when the light is red the lack of strength of signal.The intriguing thing is...

@Joseph-TP I will try that out. But even with a red light I am getting a full wifi signal! my tether app says the extender has no internet, but I have no problems accessing the internet using the...

Yes there are three solid blue lights. Just the wifi light is red!

Thanks. I already checked the manual. It suggests that the signal is not good enough, but in fact I am getting a full wireless signal even with the red light on. And it is very fast. So I wondered...

I have just set up the extender. The lights are blue except for the wifi light - second one down. It is red, but the extender is working well. Just wondering what that is all about!