Good news!!!!! I hooked up my old network extender, had to wait about 20-30 minutes for all the lights to turn blue, then successfully used my cell phone! I was getting impatient and almost gave up, but it finally worked. The power and WAN light turn blue right away, of course. The GPS light started solid red, then blinking red, then finally blue after about 5-10 minutes. The SYS light started solid red, then blinking red/blue. It stayed in this state for about 20 minutes before finally turning solid blue!