how to make lights light up when cell phone rings?

[noob with an RS 10+ year member]

hey ive got this little toy:

http://cgi.ebay.com/New-Airplane-Ce...1QQcmdZViewItem

its a clear airplane that is SUPPOSE to light up when a cell phone signal is around it (when a cell phone is being called or calling). i just got it today from ebay and tried it out. the lights seem to only light up once i a while.. like 1 in 10 tries. i remember years back i had one and it worked ALL THE TIME. does anyone know anything about cell phone signals that might be causing this??? i was thinking maybe because these days carriers use a different signal then they use to?? any feedbacc would be gretly appreciated i want these things to work flawlessly so i can use them in my car for when my music is loud!!

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[JimJ 5,000+ posts]

Cell phones have mostly gone to a 1200+ MHz system (at least the digital ones) while the older analog phones operated on 800-900MHz - although you'd be amazed at the number still out there in use //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

That's the only guess I have for it.

 

[djman37 5,000+ posts]

x2. Digital instead of analog phones. Less wattage on newer phones too.

 

[noob with an RS 10+ year member]

is there anything i can do to the toy to make it work??

 

[bigluis 10+ year member]

go to the mall and in those cart like outside stores go to the cellphone ones and they sell the number pads that light up